Answer:
the detonation of a bomb on Russian soil.
In 1949, the Americans were astonished to see that the U.S.S.R. had detonated their own atomic bomb (as a test) on their grounds. It had been only 4 years since the detonation of the atomic bombs of Hiroshima and Nagasaki and they considered it could not be sufficient time to develop the atomic bomb by themselves. Suspicion of espionage was their main option. Time proved them right. Nearly a dozen Soviet spies were convicted of passing information to the Soviets during this period about the atomic bomb in what was called the "Manhattan Project", the most famous spy being Emil Julius Klaus Fuchs. After this experience, the United States began to invest a large quantity of money in protecting their secret projects and fighting espionage.
Answer: While Native Americans and English settlers in the New England territories first attempted a mutual relationship based on trade and a shared dedication to spirituality, soon disease and other conflicts led to a deteriorated relationship and, eventually, the First Indian War.
Explanation:
B) Nationalism sparked political revolution that promoted liberal government (apex)
The Homestead Act was a series of laws that were passed that allowed individuals and families to acquire federal land easily at little to no cost. This created an economic incentive for individuals to move Westward or to inhabit "empty" federal lands that had not been bought or were uncontrolled by other individuals. The goal was to create "homesteads" in uninhabited lands so that the lands would be populated by families and individuals.