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.
C. Brown V Board of Education
Based on the excerpt and the speech in it, we can infer that the American imperialists<u> saw the </u><u>Philippines </u><u>as a </u><u>useful base</u><u> for </u><u>increasing American trade</u><u> with </u><u>East Asia.</u>
The views of the American imperialists were that:
- The Philippines were owned by the United States
- The Philippines were to be used as a base to penetrate China and its markets
The American imperialists believed that the Philippines were theirs and that they had the right to use it as they pleased including as a means to reach the valuable markets of China and the rest of East Asia.
In conclusion, the imperialists viewed the Philippines as a gateway to the East.
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The correct answer is : Twenty-First.
The Twenty-First amendment repealed the 18th amendment, which introduced the Prohibition (of alcoholic beverages in the US).