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The signing of the Truman Doctrine authorized economic aid to foreign countries under threat of communist takeover and furthered the U.S.'s battle against communism across the world.

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Caused outcry against these big-name Hollywood members, all were blacklisted, sentenced to anywhere between six and twelve months of jail time starting in 1950, and never again employed by Hollywood, though some wrote under pseudonyms.

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North Korea's Invasion of South Korea marked the beginning of the Korean War, which would serve as an important conflict in the Cold War. It also showcased the growing global scale of the Cold War, serving as a kind of contest between communist and capitalist beliefs.

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The end of the Korean War brought about freedom for South Korea, as well as a DMZ (de-militarized zone) between the two nations, protecting South Korea further from their violent neighbors.

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The trial and execution of the Rosenbergs occurred near the peak of the Red Scare, brought to greater heights by McCarthyism, and served as further evidence that Reds must be present in American society, creating greater fear and tension.

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The censure of McCarthy had a few effects, marking the end of his reign over American politics, a decrease in the Red Scare and political hysteria that was gripping the country, but also showing that Congress was slow to, if unwilling, to fully hold McCarthy accountable for the actions he had taken.

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1957 - The Signing of the Eisenhower Doctrine

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1957 - The Signing of the Eisenhower Doctrine

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The signing of the Eisenhower Doctrine allowed for military enforcement and protection of any countries requiring help in their battles against communism, and the subsequent military force sent a resounding message that the U.S. was willing to do whatever it took to stop the communist spread.

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When the Soviets shot down U-2 Spy Plane pilot Francis Powers, it brought greater tension between the US and the USSR, as they now knew that America was spying on them, and flying within their airspace. It made the Soviets incredibly distrustful toward America for many following years.

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The construction of the Berlin Wall increased tensions between the U.S. and the Soviets, as Russia used it to "protect" East Germany from the ideals of the West and further the global divide of the Cold War.

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Apollo 11 served as a mark of victory for the U.S. in the Space Race and showed the technological advancements they had made in such a short time, presenting them with victory over the Soviets.