Minimization of punctuation in typewritten material became economically desirable in the 1960s and 1970s for the many users of carbon-film ribbons, since a period or comma consumed the same length of non-reusable expensive ribbon as did a capital letter.

Although Cuba remained Spanish politically, economically it became increasingly dependent on the US.

Central power stations became economically practical with the development of alternating current power transmission, using power transformers to transmit power at high voltage and with low loss.

The city thereby became economically integrated into West Germany.

By the start of the 18th century, a political union between Scotland and England became politically and economically attractive, promising to open up the much larger markets of England, as well as those of the growing British Empire.

As the Industrial Revolution progressed, machines with metal frames became more common, but they required machine tools to make them economically.

After Napoleon achieved victory at Austerlitz over his enemies in continental Europe, he became more aggressive and tried to starve Britain into submission with an embargo that was economically ruinous to both sides.

The first steam locomotive was built by Richard Trevithick ; it first ran on 21 February 1804, although it was some years before steam locomotive design became economically practical.

For example, minimisation of punctuation in typewritten matter became economically desirable in the 1960s and 1970s for the many users of carbon-film ribbons, since a period or comma consumed the same length of expensive non-reusable ribbon as did a capital letter.

Eventually, BlueIraq's business model became economically unfeasible due to an escalation in anti-western violence primarily in the form of Improvised Explosive Devices and troop draw downs.

With the introduction of the printing press to Britain by William Caxton in 1476, printed works became both more common and more economically important.

Weakened economically, militarily and by loss of prestige, the Empire became vulnerable to rebels in the eastern areas of the empire, who began to further undermine the empire while the Parthians moved into the power vacuum to take over the old Persian lands.

Due to its superior location, Ayutthaya quickly became powerful, politically and economically.

The importance of the city as a centre of communications contributed to its revival and, as the 20th century progressed, Tours became a dynamic conurbation, economically oriented towards the service sector.

Flanders became gradually politically and economically dominant.

Europe slowly united, economically and, in some ways, politically, into what eventually became the European Union, which consisted of 15 European countries by the end of the century.

As Tortola, and to a lesser extent Virgin Gorda, came to be settled by plantation owners, slave labour became economically essential, and there was an exponential growth in the slave population during the 18th century.

TTL also became important because its low cost made digital techniques economically practical for tasks previously done by analog methods.

During World War II, Greenland became effectively detached, socially and economically, from Denmark and became more connected to the United States and Canada.

After the Mongol Empire, the great political powers along the Silk Road became economically and culturally separated.

They went through a failed expansion attempt in the mid-1990s and became economically unviable, resulting in the chain being sold to McDonald's in 1996 ; the last Georgie Pie restaurant was closed in 1998.

After the independence in 1964, Zomba became the capital until 1974 when Hastings Banda made the decision to shift the capital city from Zomba to Lilongwe ( against vociferous objections from the British preference for the economically and well developed Blantyre ).

However, as shipping became increasingly important economically, the city of Amsterdam became the main Dutch city of North Holland during the Dutch Golden Age.

the company became `` J. R. Brown & Sharpe '', and entered into a new and important period of its development.

Since the concept of high fidelity became important some dozen years ago, the claims of technical improvements have multiplied tenfold.

The important result, however, was that Juet and Francis Clemens, the deposed boatswain, became Hudson's sworn enemies.

Apollo became extremely important to the Greek world as an oracular deity in the archaic period, and the frequency of theophoric names such as Apollodorus or Apollonios and cities named Apollonia testify to his popularity.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

It became one of the most important metals to the ancients.

The faction grew in power, especially after Inês de Castro, daughter of an important nobleman and maid of the Crown Princess Constance, became the lover of her lady's husband: Peter, the heir of Portugal.

Under the Roman alliance, the more oligarchic parts of the Athenian constitution, the Areopagus and election of officials, became relatively more important, and the Assembly and selection by lot less so.

It was founded by the Carthaginians as a trading station, and after a period of decline became under the Romans one of the more important towns in the province of Hispania Baetica.

Paul considered Apollos to be an apostle ( 1 Cor 4: 6, 9-13 ) who became a leader in the important Corinthian congregation.

It is claimed that the saloon, named after the nearby Black Stump Run and Black Stump Creek, was an important staging post for traffic to north-west New South Wales and it became a marker by which people gauged their journeys.

In the works of the Apostolic Fathers, and Ignatius of Antioch in particular, the role of the episkopos, or bishop, became more important or, rather, already was very important and being clearly defined.

By World War II, the use of the smaller divisions, platoons and companies, became much more important as precise operations became vital.

Another important use of aircraft came with the development of the helicopter, which first became heavily used during the Vietnam War, and still continues to be widely used today to transport and augment ground forces.

After merging with the Kingdom of Aragon, Barcelona became one of the most important cities of the Crown of Aragon.

The political terms of " modern ", " progressive " or " new " Liberalism began to appear in the mid to late 1880s and became increasingly common to denote the tendency in the Liberal Party to favour an increased role for the state as more important than the classical liberal stress on self-help and freedom of choice.

In this connection, the question whether Barnabas was an apostle became important, and was often discussed during the Middle Ages.

In the late 20th century, the processing of by-products from the Lacq natural gas field near Pau became important, although Bayonne has had higher-than-average unemployment.

Behavior became an important construct in early 20th century psychology with the advent of the paradigm known subsequently as " behaviorism.

Sonata form developed and became the most important form.

North of that line cities grew up slowly, and Chilean lands eventually became an important source of food for the Viceroyalty of Peru.

In the 19th century, Cuban sugar plantations became the most important world producer of sugar, thanks to the expansion of slavery and a relentless focus on improving the island's sugar technology.

Canada's centennial in 1967 is often seen as an important milestone in the history of Canadian patriotism, and in Canada's maturing as a distinct, independent country, after which Dominion Day became more popular with average Canadians.