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:
Explanation:
The leading causes of the great migration were racial segregation and very poor economic conditions. The people who escaped that had to look elsewhere for a better economic base and a more tolerant society than in the south where Jim Crow laws were upheld. It is hard to say which push factor was stronger in this case because the terror was combined with very poor living conditions and the whole situation of black folks in the south was very bad.
In South Carolina and Georgia, the main cash crops were indigo and rice.
