It should be D. because they blockaded the mississippi river.
It changed how we look at different things like genocide and human rights
B) Filing a civil law suit
It is B because because you didnt do anything wrong when it was the other persons fault.
To prevent the spread of communism to the south Vietnam
1. US troops fought the war in the country of Vietnam. 1965-1975.
2. The US intervened twice in Lebanon. In 1958 and in 1982.
3. WW2 ended in 1945. 5 years after WW2, the US became involved in a conflict. It was in Korea and lasted 3 years.
4. The US was in Vietnam in 1965 and Lebanon in 1958.
5. The Soviet Union was involved in a border war in 1968 with China. The Soviet Union was also involve in conflict with Czechoslovakia.