He supported civil rights, National Association for the Advancement of Colored People (NAACP), wipes out military segregation and supports civil rights of all Americans. He was the first President to address the NAACP and to issue an executive order about civil rights.
On June 17, 1775, early in the Revolutionary War the British defeated the Americans at the Battle of Bunker Hill in Massachusetts.
Answer
B. The United States was prepared to use the Unit
Explanation
Communism is a system of social organization where all the property is owned by the community and each individual receives and contributes according to their abilities and needs.The heading mentions that the U.S troops were fighting communism in South Korea to tell the whole world that the U.S was against communism type of governance.