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 Triassic Period (), the reptiles began to out-compete the amphibians, leading to a reduction in both the amphibians ' size and their importance in the biosphere.

During the Neolithic Revolution, which occurred during the early Holocene, there were at least two aurochs domestication events: one related to the Indian subspecies, leading to Zebu cattle ; the other one related to the Eurasian subspecies, leading to taurine cattle.

During the Civil war, soldiers from different parts of the United States played baseball together, leading to a more unified national version of the sport.

) During the collapse, neutrons are formed by the capture of electrons by protons in the process of electron capture, leading to the emission of neutrinos .< sup >, pp. 1046 – 1047 .</ sup > The decrease in gravitational potential energy of the collapsing core releases a large amount of energy which is on the order of 10 < sup > 46 </ sup > joules ( 100 foes ).

During his tenure at the White House, Rohrabacher played a leading role in the formulation of the Reagan Doctrine.

During his period in Canada Sapir came into his own as the leading figure in linguistics in America.

During the South African occupation of Namibia, Ethiopia was one of the country's leading proponents abroad ; Ethiopia and Liberia were the first two states to bring the question of independence for then South West Africa to the United Nations.

During the attack on the barracks, an RIC patrol from Slane happened upon the firefight – leading to a five-hour gun battle, in which eight RIC constables were killed and 15 wounded.

During the 1990s, FAO took a leading role in the promotion of integrated pest management for rice production in Asia.

During the period leading up to the conquest of Honduras by Pedro de Alvarado, many indigenous people along the north coast of Honduras were captured and taken as slaves to work on Spain's Caribbean plantations.

During this period his reputation as one of the leading Test all-rounders was firmly established.

* 1920 – During the U. S. Republican National Convention in Chicago, U. S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U. S. presidential election, leading the Associated Press to first coin the political phrase " smoke-filled room ".

During the Reagan presidency, when Kemp was able to effect tax cutting, a leading United States Senate tax-cutting proponent was Democrat Bill Bradley, a former basketball star.

During the summer of 1939, Ribbentrop sabotaged all efforts at a peaceful solution to the Danzig dispute, leading the American historian Gerhard Weinberg to comment that " perhaps Chamberlain's haggard appearance did him more credit than Ribbentrop's beaming smile " as the countdown to a war that would kill millions inexorably gathered pace.

During the 12th century, there were contrary opinions expressed about the nature of kingship, and many contemporary writers believed that monarchs should rule in accordance with the custom and the law, and take council with the leading members of the realm.

During Napoleon's invasion of Prussia during the War of the Fourth Coalition, the town was besieged from mid-March to July 2, 1807, by the Grande Armée and by Polish forces drawn from insurgents against Prussian rule ( a street named for the commander leading Polish soldiers is located within the present-day city ).

During the period of the Solidarity Electoral Action ’ s government, Leszek Miller was in charge of the parliamentary opposition, leading the political fight with the governing party.

During this time disjunction occurs, which is one of the processes leading to genetic diversity as each chromosome can end up in either of the daughter cells.

During the process leading up to elections in October 1994, the United States served as a significant financier and member of the most important commissions established to monitor implementation of the Rome General Peace Accords.

During such lengthy funerals, people are not able to attend to agriculture or care for their families, leading to poverty.

During the late Eastern Han, disastrous upheavals again occurred in the process of social transformation, leading to the greatest social disorder in Chinese history.

During a period of more than 150 years leading up to the arrival of German crusaders in the region, Estonia was attacked thirteen times by Russian principalities, and by Denmark and Sweden as well.

During its early years, the quality of play in the BAA was not significantly better than in competing leagues or among leading independent clubs such as the Harlem Globetrotters.