The correct answer to this open question is the following.
Although there are no options attached we can say the following.
What best describes the reason for US involvement in Japan, Korea, and Vietnam was the permanent intent of the United States government to instill the foreign policy of containment during the Cold War years. During that time. the Soviet Union tried to spread Communism over different parts of the world, as was the case of Czechoslovakia, EastmGermany, Poland, Romania, Bulgaria, Hungary, North Korea, North Vietnam, and the Island of Cuba.
That is why the United States tried to impede the spread of Communism at all costs because it went against the economic and political interests. The US attempt to contain Communist influence in Asia and Southeast Asia.
During the Cold War years, the US and the Soviet Union competed in the arms race, the space race, and the spread/containment of Communism.
The Nobel peace prize winner is known as the late Wangari Maathai. despite the lack of any photo, the laureate was able to connect environmentalism and political activism in the country. she was involved in numerous tree planting drives as well as peaceful protests against the KANU regime agitating for civil liberties, women rights and multi party systems. Africa being at the heart of the Sahel faces numerous environmental problem posed by global warming as well as human right issues.
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they died because they wasn't immune to it
Answer:
The United States faced many problems following World War I, including in the areas of race relations, labor, and political radicalism.