Irish immigrants played an instrumental role in Puerto Rico's economy.

Most of these rivers are born in the Cordillera Central, Puerto Rico's principal mountain range located across the center of the island.

Puerto Rico's municipalities

Puerto Rico's governor, who is the head of government, and the members of the legislature are elected every four years by popular vote.

Puerto Rico's legislature is a bi-cameral body consisting of a Senate and a Camara de Representantes.

The nature of Puerto Rico's political relationship with the United States is the subject of ongoing debate in Puerto Rico, the United Nations and the International Community.

In 2004 Aníbal Acevedo Vilá ( PDP ) was declared the winner by the Supreme Court of Puerto Rico as governor, by about 3, 000 votes, but his party lost control of the Senate, which elected NPP Senator Kenneth McClintock as its president, and the House of Representatives, which chose the NPP's José Aponte as Speaker, and Puerto Rico's seat in Congress, due to the election of Luis Fortuño.

Additionally, the NPP won the seat for Puerto Rico's sole delegate to Congress, because of the election of Pedro Pierluisi.

On November 27, 1953, shortly after the establishment of the Commonwealth, the General Assembly of the United Nations approved Resolution 748, removing Puerto Rico's classification as a non-self-governing territory under article 73 ( e ) of the Charter from UN.

According to a December 2005, report by the President's Task Force on Puerto Rico's Status, it is not possible " to bind future ( U. S .) Congresses to any particular arrangement for Puerto Rico as a Commonwealth ".

In 2005 and 2007, two reports were issued by the U. S. President's Task Force on Puerto Rico's Status.

Reactions from Puerto Rico's two major political parties were mixed.

On December 21, 2007, the Bush Administration's Task Force on Puerto Rico's Status reiterated and confirmed that Puerto Rico continues to be a territory of the U. S. under the plenary powers of the U. S. Congress, a position shared by the remaining two-major parties: New Progressive Party and the Puerto Rican Independence Party.

On March 16, 2011, the President's Task Force on Puerto Rico's Status issued a third report that reaffirned the legal position adopted by the three previous presidents over nearly a quarter century that Puerto Rico remains today " subject to the Territory Clause of the U. S. Constitution ( see Report at page 26 ), that the territory's long-term economic well-being would be enhanced by an early resolution of the political status problem ( p. 33 ) and devotes most of the report to extensive economic analysis and recommendations.

Puerto Rico's elected governor and legislature control all other delegated internal affairs.

Then Senate President and Democratic National Committeeman Kenneth McClintock, former Sen. Roberto Prats, Puerto Rico's Democratic State Chair and former PDP gubernatorial candidate José Alfredo Hernández Mayoral were appointed co-chairs of Sen. Hillary Clinton's National Hispanic Leadership Council while Young Democrats of America Democratic National Committeeman Francisco Domenech co-chaired Clinton's young professionals organization.

Being the last big primary before the last two states voted on June 3, Puerto Rico's Democratic presidential primary attracted historic levels of national media coverage.

The nature of Puerto Rico's political relationship with the United States is the subject of ongoing debate in the United Nations and the International Community.

In a letter sent by the former governor of Puerto Rico to the former U. S. Secretary of State, Condoleezza Rice and the Co-Chairs of the White House's Presidential Task Force on Puerto Rico's Status on the Bush administration, former governor Acevedo Vilá stated:

He defended the title against fellow Puerto Rican Juan Nazario with a knockout in eight in Chicago, but in his next defense he was brutally beaten by Julio César Chávez in Las Vegas.

In order to gain respectability, the WBO next elected former world light heavyweight champion José Torres of Ponce, Puerto Rico, as its president.

After Clinton and Rosselló left office, the administration of the next Governor of Puerto Rico, Sila Calderón, rescinded this agreement.

The crew, José Crespo and Lorenzo Pérez-Lorenzo, were granted political asylum, and made their way back to Nicaragua the next day via Miami and the daily CIA C-54 flight from Opa-locka Airport to Puerto Cabezas.

The next day he was granted political asylum, and that night he returned to Puerto Cabezas via Opa-Locka.

Puerto Rico uses a variable phase order mechanic, where a " governor " token is passed clockwise to the next player at the conclusion of a turn.

What followed next was wide controversy in Puerto Rico.

On December 20, 2010, the Puerto Rico Basketball Federation announced Rick Pitino as the next head coach for Puerto Rico's Olympic team.

On March 16 of 2002, he received his next world title shot, for the vacant WBO light middleweight title, against Puerto Rico's Daniel Santos, once again in Las Vegas.

It attained hurricane status south of Jamaica on November 15 and passed south of Hispaniola and Puerto Rico over the next few days.

The next day, on June 26, 1988, Héctor attempted to commit suicide by jumping off the ninth floor of the Regency Hotel Condado in Puerto Rico.

In the aftermath of World War II, southern African-Americans moved north and Puerto Rican immigrants pour into the city, a trend which would continue for the next thirty years.

He was influential to Cuban and Puerto Rican writers of his generation and the next, such as Virgilio Piñera, Reinaldo Arenas, Fernando Velázquez Medina, René Marqués, and Giannina Braschi, who depict his life and works in their writing.

The University of Puerto Rico at Arecibo ( UPRA ), is located in the north of the island, next to the largest pharmaceutical and biotechnology complex in the Caribbean, the largest radio telescope in the world, and agricultural areas of intense commercial activity.

One of the most renowned sporting, concert, and show business venues in Buenos Aires, Argentina is called " Luna Park ", right next to the Puerto Madero neighborhood.

* Gutierrez ( D-IL ): retain certain corporate tax provisions for Puerto Rico for 20 years after statehood and exempt Puerto Ricans from U. S. federal tax until the State of Puerto Rico achieves same per capita income as the State with next lowest per capita income.

Her next, and so far last, fight, took place on June 28 of that year, when she and Puerto Rico's Belinda Laracuente drew ( tied ) in an eight rounds non-title bout held at Coconut Grove, Florida.

At his next bout held in Yabucoa, Puerto Rico on December 15, 1989, he lost by knockout for the first time in his career, sustaining a broken jaw and requiring hospitalization after being defeated by Orlando Fernandez after nine round match.

He was a teen idol across Puerto Rico for the next few years.

Over the next four years an onslaught of new songs were written including " Bloodhound ", " Red Sky ", " Precious Hands ", " Kangaroo ", and " Puerto Rico.

Plans were made for a major assault on Havana, but the next major campaign of the war came on Puerto Rico, led by General Miles.

* 1797 – Sir Ralph Abercromby attacks San Juan, Puerto Rico in what would be one of the largest invasions of the Spanish territories in America.

They had one of the largest wheat mills in the country built on a Puerto Madero lot in 1902, and with it, established Molinos Río de la Plata ( later a leader in the local retail foods market ).

Both Puerto Cortés, the country's largest port, and San Pedro Sula, Honduras's industrial capital, are located here, as is La Ceiba, the third largest city in the country.

* 1963 – The Arecibo Observatory in Arecibo, Puerto Rico, with the largest radio telescope ever constructed, officially opens.

Lying about north of Puerto Rico in the Atlantic Ocean at the boundary between the Caribbean and North American plates is the Puerto Rico Trench, the largest and deepest trench in the Atlantic.

* Port of Ponce-The second largest port in Puerto Rico and can handle both freight / cargo and cruise ships.

* Port of Mayagüez-The third largest port in Puerto Rico.

There are several private marinas in Puerto Rico for boats and yachts, the largest being Puerto del Rey in Fajardo and Club Nautico de Ponce in Ponce.

The largest of these installations were the former Roosevelt Roads Naval Station in Ceiba, the Roosevelt Roads Naval Station, and the Atlantic Fleet Weapons Training Facility ( AFWTF ) on Vieques ( all now closed ), the National Guard training facility at Camp Santiago in Salinas, the Army's Fort Buchanan in San Juan, the former U. S. Air Force Ramey Air Force Base in Aguadilla, and the Puerto Rico Air National Guard at Muñiz Air Force base in San Juan.

Strategic Air Command in the United Kingdom was among the command's largest overseas concentrations of forces, with additional forces at bases in North Africa during the 1950s and 1960s in addition to SAC bomber, tanker, and / or reconnaissance aircraft assets at the former Ramey AFB, Puerto Rico in the 1950s, 1960s and 1970s, and at Andersen AFB, Guam, RAF Mildenhall, United Kingdom and the former NAS Keflavik, Iceland through the 1990s.

View of Arecibo Observatory in Puerto Rico with its 300 m dish-the world's largest.

* April 17 – Sir Ralph Abercromby unsuccessfully invades San Juan, Puerto Rico in what will be one of the largest British attacks on Spanish territories in the western hemisphere, and one of the worst defeats of the English navy for years to come.

World's largest single-aperture radio telescope at Arecibo Observatory in Puerto Rico

The world's largest filled-aperture telescope ( i. e., a full dish ) is the Arecibo radio telescope located in Arecibo, Puerto Rico, whose dish is fixed in the ground.

Puerto Ricans made up the largest portion of Latinos, with 2. 9 % of the total county population.

It is one of the best known fruits of Southeast Asia and is also widely cultivated elsewhere in the tropics including Africa, the Caribbean islands, Costa Rica, Panama, India, Indonesia, the Philippines, and Sri Lanka ; it is also produced in Ecuador where it is known as " achotillo " and on the island of Puerto Rico .. Thailand is the largest producer from Surat Thani Province Thailand.

With a surface area of, it is larger than Puerto Rico and is South America's largest lake.

Since the late 20th century, Osceola County has experienced a significant influx of immigrants from Puerto Rico, and in the 2000 U. S. Census Puerto Rican was the largest self-reported ancestry group.

43. 2 % of the population were Hispanic or Latino of any race, majority of which are Puerto Ricans, who account for 25. 0 % of the population and are the largest ancestral group in the county.

Today Puerto Rico has the largest and most prosperous Jewish community in the Caribbean.