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:
African Americans
Explanation:
<em>The 15th Amendment, adopted in 1870, guaranteed that citizen's right to vote would not be denied "on account of race, color, or previous conditions with servitude". During this period of Radical Reconstruction (1867-77), blacks won election to southern state governments and even to the U.S. congress.</em>
Answer 1 is B
Answer 2 is A
Answer 3 is D
Americans were making more money than before.
<span>The reason for this was
that after World War II, America enjoyed a huge growth in its economy. Industrialization was the main focus and
people now had more money due to the economic prosperity that they enjoyed an
increase in income economic opportunities grew where people benefited after the
war.</span>
Answer: Newspapers existed primarily to inform people of what was going on in the rest of the world
Explanation: