George Washington was the first president of the United States.
The correct answer is B. The defeat of Japan led to the division with a Soviet backed communist government in the north and a U.S. backed democratic government the south.
At the suggestion of US General Douglas MacArthur, in October 1943 the heads of state of the United States and the USSR met in Moscow and agreed that the USSR would declare war on Japan once the war in Germany had ended. This decision was supported by the belief that the Japanese Empire was more vulnerable in the north, in Manchuria and Korea, than in the south, in the Philippines, where it was winning the battles.
On August 8, 1945, two days after the atomic bombing of Japan in Hiroshima by the US, the USSR declared war on Japan and the next day attacked the Korean peninsula in the north. This decision alarmed the United States, that after the atomic bombings on Japan, thus ensuring the early Japanese surrender, were no longer interested in the entry of the Soviet Union into the war. One day after the second atomic bombing of Japan in Nagasaki on August 10, 1945, the United States sends troops to Busan, south of the Korean peninsula. Korea, on the other hand, counted on a guerrilla of communist ideology that faced Japan and supported the measures of the USSR. The American troops were also well received at their landing in Busan, to the south.
On August 10, when preparing the general surrender of Japan, the Operations Division of the US Department of War chose the 38th parallel as the boundary of the country's defense. On August 15 the surrender was published. Joseph Stalin, in a climate of growing tension between the United States and the Soviet Union, ordered his troops to stop north of the 38th parallel, while US troops were stationed south of it at the same time. Stalin admitted the surrender of Japan and said nothing about the division of Korea. The Americans took this act as an acceptance of the division.
Cold War fears on Communist dominance led to Vietnam being partitioned to ensure that Communism doesn't gain a foothold in SE Asia.
<h3>Why was Vietnam partitioned?</h3>
Vietnam was partitioned into a Communist North, and a Free market South at the insistence of the U.S. because the U.S. did not want Vietnam becoming a Communist nation entirely.
They worried that this would allow Communism to spread in South East Asia which alarmed the U.S. because it would give the Soviets more influence there. U.S. actions eventually led to the Vietnam War.
Find out more on the Vietnam Partitioning at brainly.com/question/20364458
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Technology played a significant role in World War II. ... Many types of technology were customized for military use, and major developments occurred across several fields including: Weaponry: ships, vehicles, submarines, aircraft, tanks, artillery, small arms; and biological, chemical, and atomic weapons.