During this precarious period of development the mother should continue to influence the growth of the child's conscience.

During the period from 1 July 1960 through 31 January 1961, additional research affiliations were effected with the U. S. Army Medical Research and Development Command to conduct research in procedures for quantitative electron microscopy, and for the study of biophysical and biological studies of the structure and function of ocular tissue.

During this period, a total of 762 exhibits were presented at 442 medical and scientific meetings.

During the period of this report, 37,470 new cases were entered into the various registries.

During this period, 7,827 teaching sets were distributed on loan.

During the period of this report, 63 panel exhibits depicting the latest developments in medical research were displayed.

During the period, the laboratory rendered centralized macropathological service to qualified requesters.

During the period from 1 July 1960 through 31 January 1961, the Medical Museum was required to move to Temporary Building `` S '' on the Mall from Chase Hall.

During the period of about 4 hours around sunset, skywave transmission conditions are building up until full nighttime conditions prevail ; ;

During the Civil War period Mr. Brown also invented the Brown & Sharpe formed tooth gear cutter, a basic invention which ultimately revolutionized the world's gear manufacturing industry by changing its basic economics.

During this period 7,484,268 members were received, yet the net membership now is only 9,910,741.

During the period of the Iberian Union ( 1580 – 1640 ), Portugal lost influence and power and made new enemies.

During the Romantic period, art came to be seen as " a special faculty of the human mind to be classified with religion and science ".< ref >

During the same period the Georgian states of Colchis and Tabal arose around the Black Sea and central Anatolia respectively.

During this same period, slave-holding border states had more free African-Americans and European immigrants than the lower South, which increased Southern fears that slavery was threatened with rapid extinction in this area.

During this period he published 18 plays and 3 novels, including the murder mystery The Red House Mystery ( 1922 ).

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

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.

During the first 11 months of 2006, net imports grew by 21 percent to $ 1. 95 billion, while exports stood at $ 895 million, up 0. 3 percent from the same period in 2005.

During the first 11 months of 2006, the European Union remained Armenia's largest trading partner, accounting for 34. 4 percent of its $ 2. 85 billion commercial exchange during the 11-month period.

During January – February 2007, Armenia ’ s trade with Russia and other former Soviet republics was $ 205. 6 million ( double the amount from the same period the previous year ), making them the country ’ s number one trading partner.

During this period, spectator attendances dropped and media condemnation increased, but Simpson and Lawry flatly disregarded the public dissatisfaction.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During this period Agamemnon and his brother, Menelaus, took refuge with Tyndareus, King of Sparta.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.

During the Middle Ages the word artist already existed in some countries such as Italy, but the meaning was something resembling craftsman, while the word artesan was still unknown.

During the years of 1995 / 96 the EMFA, responsible for the studies on the Ministry of Defense, evidenced that, amongst 179 countries, only 23 did not have integrated Armed Forces.

During the Financial crisis of 2007 – 2010, Bulgaria marked a decline in its economy of 5. 5 % in 2009, but quickly restored its positive growth to 0. 2 % in 2010, in contrast to other Balkan countries.

During 1996, however, the economy collapsed due to an unstable and decentralised banking system, a wave of hyperinflation throughout several countries of Eastern Europe, and slow reforms, which led to an inflation rate of 311 % and the collapse of the lev.

During the Second World War, Bletchley Park was the site of the United Kingdom's main decryption establishment, the Government Code and Cypher School ( GC & CS ), where ciphers and codes of several Axis countries were decrypted, most importantly the ciphers generated by the German Enigma and Lorenz machines.

During the great fire, hotspots could be seen on satellite images and the haze thus created affected the surrounding countries of Brunei, Malaysia, Indonesia and Singapore.

During World War II, the Soviet Union annexed several countries as Soviet Socialist Republics within the Union of Soviet Socialist Republics.

During the 1920s, Afghanistan established diplomatic relations with most major countries.

During the late 19th and 20th century there was significant emigration, particularly from rural areas to Sweden and North America, while most immigrants into Finland itself come from other European countries.

During World War I the use of flashbacks occurred in films from all the major European film-making countries as well, from Italy ( Tigre reale ) to Denmark ( Evangeliemandens Liv ) to Russia ( Grezy and Posle smerti ), where it arrived in 1915.

During the 1960s and 70s, Italian filmmakers Mario Bava, Riccardo Freda, Antonio Margheriti and Dario Argento developed giallo horror films that become classics and influenced the genre in other countries.

During the 1950s and 60s, Afghanistan was able to use the Russian and American need for allies during the Cold War as a way to receive economic assistance from both countries.

During the Cold War, many countries built fallout shelters for high-ranking government officials and crucial military facilities.

During a state visit by Brazilian President Luiz Inacio Lula da Silva to Georgetown in 2 March 2007, the governments of Guyana and Brazil signed several cooperation agreements and announced plans to boost trade between the two countries.

During the next several decades, indoor handball flourished and evolved in the Scandinavian countries.

During the whole of the Industrial Revolution and for the century before, all European countries and America engaged in study-touring ; some nations, like Sweden and France, even trained civil servants or technicians to undertake it as a matter of state policy.

During the Great Depression, countries sharply raised barriers to foreign trade in an attempt to improve their failing economies.

During the reign of Pope Gregory XVI the bishops in various countries began to press for a definition as dogma of the teaching of Mary's immaculate conception.

During the years that the Seventh and Eighth Revisions of the ICD were in force, the use of the ICD for indexing hospital medical records increased rapidly and some countries prepared national adaptations which provided the additional detail needed for this application of the ICD.

During the Meiji Era, China was one of the first countries to feel Japanese Imperialism.

During the 1960s the two countries resumed trade for the first time since World War II under the Liao – Takasaki Agreement.

During an interview Lord Phillips was quoted by the Financial Times as saying: "' in an ideal world ' Commonwealth countries — including those in the Caribbean — would stop using the Privy Council and set up their own final courts of appeal instead.

During the Arab Spring, many peaceful demonstrations in Arab countries faced violence and gunfire by their government's regime.

During the 1970s and 1980s some countries forbade import of the Krugerrand because of the association with the apartheid government of South Africa, which has since been abolished.

During the late 20th century the U. S. dollar began to oscillate due to rivalry with foreign countries and their currencies.