Answer:
Hi, there your answer is D. National Grange
Explanation:
After fighting the war in Korea, the US had learned that communism would spread. In order to keep with their policy of containment, they had to rush in and stop Viet Cong from spreading communism (much like the domino theory that the US had). Had Viet Cong not wanted to bring about communism, there would be no need for invasion, and the domino theory would have yet to be proven.
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He was beheaded.
Charles I had a lot of fights with the Parliament about how he should rule the country, which is why he dissolved the government and started ruling on his own. This obviously meant treason, which is why he was beheaded for his actions.