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 Second Punic War in 212 BCE, the Ludi Apollinares (" Apollonian Games ") were instituted in his honor, on the instructions of a prophecy attributed to one Marcius.

During her second term as prime minister, the government instituted socialist economic polices, strengthening ties with the Soviet Union and China, while promoting a policy of non-alignment.

During Alexander's reign, the law of Nihil novi had been instituted, which forbade kings of Poland from enacting laws without the consent of the Sejm.

During the Cultural Revolution, the Communist Party instituted a policy known as the Down to the Countryside Movement, in which educated youths living in the urban areas were sent to live and work in agrarian areas, in order that they might better understand the role of manual agrarian labour in Chinese society.

During that period-in 1093, the Roman Catholic Diocese of Mazara del Vallo was instituted.

During the First World War, Queen Mary instituted an austerity drive at the palace, where she rationed food, and visited wounded and dying servicemen in hospital, which she found a great emotional strain.

During its first year on the air, the Welk hour instituted several regular features.

During his report at the seventh party congress in 1967, Erich Honecker had called for a return to an orthodox Socialist economic system, away from the recently instituted New Economic System.

During his reign, he instituted a royal monopoly on the slave trade in the territory and taxed the trade heavily ; however, he actively allowed the slave trade to occur in exchange primarily for guns and gunpowder.

During the Taihe period ( 477-499 ) of Emperor Xiaowen, court advisers instituted sweeping reforms and introduced changes that eventually led to the dynasty moving its capital from Datong to Luoyang, in 494.

During the years Saddam Hussein controlled Iraq, he instituted a program of " Arabization " in the northern part of the country, that area inhabited by ethnic Kurds.

During his tenure ( 1939 – 1945 ), he instituted a reign of terror against the civilian population and became directly involved in the mass murder of Polish Jews.

During the Progressive Era ( 1890s – 1920s ), Presidents Theodore Roosevelt, William Howard Taft, and Woodrow Wilson instituted regulation on parts of the American economy, most notably in regulating big business and industry.

During the next decade, other adult learning programs were instituted: among them, Antioch Seattle ; Antioch Southern California with campuses in Los Angeles and Santa Barbara ; and the Antioch Education Abroad Program ( with centers in London, Germany and other locations ).

During his tenure, the Philharmonic instituted a number of then-revolutionary ideas, including the creation of the Los Angeles Philharmonic Chamber Music Society and the Los Angeles Philharmonic New Music Group and its " Green Umbrella " concerts ; both of these adjunct groups were composed of the orchestra's musicians but offered performance series which were separate and distinct from traditional Philharmonic concerts.

During World War I, many more states instituted mandatory flag pledges with only a few dissents recorded by the American Civil Liberties Union.

During the wars with Native American tribes of the American West, under James Carleton's direction, Kit Carson instituted a scorched earth policy, burning Navajo fields and homes, and stealing or killing their livestock.

During the martial law era of the Marcos Administration, Presidential Decree 27 instituted a land reform program covering rice and corn farms.

During the season, manager Doug Holmquist, frustrated with the team's disappointing first half, instituted a system of fines for player infractions or poor performance on the field.

During Martin's tenure as Commanding Officer, several traditions were instituted that are still observed by the crew of Constitution such as the wearing of 1812 era uniforms and the practice of firing morning and sunset guns.

During his tenure at St. Gabriel's, he freed the parish from debt, oversaw the consecration of the church, built a parish hall, and instituted parochial visitation by the clergy.

During his time in office Anson instituted a series of reforms to the Royal Navy.

During this period, an open admissions policy was instituted, and transfer students were welcomed regardless of their academic history.

During Andronicus II's reign he instituted a some new coinage based on the hyperpyron.