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 January – February 2007, Armenia ’ s trade with the European Union totaled $ 200 million.

During the next century Aegina was one of the three principal states trading at the emporium of Naucratis, and it was the only state of European Greece that had a share in this factory.

During the process of the enlargement of the European Union, the acquis was divided into 31 chapters for the purpose of negotiation between the EU and the candidate member states for the fifth enlargement ( the ten that joined in 2004 plus Romania and Bulgaria which joined in 2007 ).

During his acceptance speech he reflected on the important influence of traditional European music and the melancholy of the Swedish soul on ABBA's brand of pop music.

During the mid 1st century AD, the Zarubintsy and Lukashevka cultures came to an end in their true form, possibly due to Sarmatian invasions and perturbations of central European trade due to Caesar's invasion of Gaul ( the ' heart ' of the La Tene culture ).

During the European scramble for Africa, Queen Victoria signed a Treaty of Protection with the King and Chiefs of Akwa Akpa, known to Europeans as " Old Calabar ", on 10 September 1884.

During the conquest, the Araucanians quickly added horses and European weaponry to their arsenal of clubs and bows and arrows.

During the late 19th century European and American companies introduced railways to carry to the ports the local production of raw materials intended for exports and also imports from Europe.

During European Middle Ages, citizenship was usually associated with cities, see burgher, Grand Burgher ( German Großbürger ) and Bourgeoisie.

During World War II, Sagan's family worried about the fate of their European relatives.

During the late 19th and early 20th centuries, just the opposite was the case with little to no population concentration in major industrial centres as the predominantly rural resource-dependent Maritime economy continued on the same path as it had since European settlement on the region's shores.

During the 19th century, European nations established colonies in Africa to further exploit resources and expand economic influence.

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 the Cold War, Finland's foreign policy was based on official neutrality between the Western powers and the Soviet Union, while simultaneously stressing Nordic cooperation in the framework of the Nordic Council and cautious economic integration with the West as promoted by the Bretton-Woods Agreement and the free trade treaty with the European Economic Community.

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 his second trip to America, in November 1493, Christopher Columbus became the first European to land on Guadeloupe, while seeking fresh water.

During this time, European manufacturers also began regularly purifying saltpeter, using wood ashes containing potassium carbonate to precipitate calcium from their dung liquor, and using ox blood, alum, and slices of turnip to clarify the solution.

During the Renaissance, two European schools of pyrotechnic thought emerged, one in Italy and the other at Nuremberg, Germany.

During his chancellorship, the West Germany economy grew quickly, and West Germany established friendly relations with France, participated in the emerging European Union, established the country's armed forces ( the Bundeswehr ), and became a pillar of NATO as well as firm ally of the United States.

During the period of 1960 to 1970, the average annual rate of increase of Albania's national income was 29 percent higher than the world average and 56 percent higher than the European average.

During the Qianlong reign period and the continuing 19th century, European Baroque styles of painting had noticeable influence on Chinese portrait paintings, especially with painted visual effects of lighting and shading.

During the 17th century, the basic tenets of the Grotian or eclectic school, especially the doctrines of legal equality, territorial sovereignty, and independence of states, became the fundamental principles of the European political and legal system and were enshrined in the 1648 Peace of Westphalia.

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.