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 1956 Hungarian Revolution in Budapest, and through the fall of Communism in 1989, protesters often attacked and took down sculptures and images of Joseph Stalin, leader of the USSR.

During the war, Time magazine named Stalin Time Person of the Year twice and he was also one of the nominees for Time Person of the Century title.

During World War II Stalin had supported the dictator of China, Chiang Kai-Shek, as a bulwark against Japan and had turned a blind eye to Chiang's mass killings of communists.

During the Second World War Stalin reopened the churches.

During the Molotov – Ribbentrop Pact negotiations, Ribbentrop was overjoyed by a report from his Ambassador in Moscow, Count Friedrich Werner von der Schulenburg, of a speech by the Soviet leader Joseph Stalin before the 18th Party Congress in March 1939 that was strongly anti-Western, which Schulenburg reported meant that the Soviet Union might be seeking an accord with Germany.

During his trip to Moscow, Ribbentrop's talks with Stalin and Molotov proceed very cordially and efficiently with the exception of the question of Latvia, which Hitler had instructed Ribbentrop to try to claim for Germany.

During the 1920s and the 1930s, Stalin fought and defeated the political influence of Leon Trotsky and of the Trotskyists in Russia, by means of slander, anti-Semitism, programmed censorship, expulsions, exile ( internal and external ), and imprisonment.

During the war and in the name of Allied unity, Roosevelt had brushed off warnings of a potential domination by a Stalin dictatorship in part of Europe.

During World War II, Madame Chiang tried to promote the Chinese cause and build a legacy for her husband on par with Roosevelt, Churchill and Stalin.

During World War II, Stalin exiled entire national groups from the Caucasus and the Crimea to Uzbekistan to prevent " subversive " activity against the war effort.

During the final stages of World War II the future of Europe was decided between the Allies in the 1945 Yalta Conference, between the British Prime Minister Winston Churchill, U. S. President Franklin D. Roosevelt, and the Premier of the Soviet Union, Joseph Stalin.

During this campaign Joseph Stalin ordered the regiment to style itself Normandie-Niemen in recognition of its participation in the battles to liberate the river of the same name.

During Lenin's illness, Zinoviev, his close associate Kamenev, and Joseph Stalin formed a ruling ' triumvirate ' ( or ' troika ') in the Communist Party, playing a key role in the marginalization of Leon Trotsky.

During the 1930s, the NKVD was responsible for political murders of those Stalin believed to oppose him.

During the Stalin era, Magadan was a major transit center for prisoners sent to labor camps.

During the dinner, Stalin who, according to the US report, continuously needled Churchill for his perceived " affection " for the Germans, proposed executing 50, 000 – 100, 000 German staff officers.

During the power struggles which followed Lenin's death in 1924, Molotov remained a loyal supporter of Stalin against his various rivals: first Leon Trotsky, later Lev Kamenev and Grigory Zinoviev and finally Nikolai Bukharin.

During the Great Purge, he personally approved 372 documented execution lists, more than any other Soviet official including Stalin.

During this period, Stalin pursued the policy of " collectivization " in agriculture to facilitate the process of rapid industrialization ; this involved the creation of collective farms in which peasants worked cooperatively on the same land with the same equipment.

During the 1930s, the Soviet government under Joseph Stalin began selling art treasures and other valuables seized from the Romanov family and other Russian citizens after the Russian revolution in order to earn hard currency for its industrialization and military armament programs.

During Stalin's time of exile, the Alliluyev family was a source of assistance and refuge, and during 1917, Stalin lived from time to time in their apartment.

During the rule of Joseph Stalin, 17 rubber-boot factories were built in different parts of the Soviet Union.

During World War II, Joseph Stalin decided to move a large part of Soviet factory production to places out of the way of the advancing German armies in late 1941.

During the war, Gomułka became an influential Polish Communist and in 1943 convinced Stalin to allow the reformation of the local Communist party under the name Polish Workers ' Party ( Polska Partia Robotnicza ).

During Joseph Stalin ’ s reign it was most important to use socialist Realism as a form of propaganda in posters, as it kept people optimistic and encourage greater productive effort, a necessity in his aim of developing Russia into an industrialised nation.