Answer:
A
Explanation:
The Korean War. The Korean War acted as a proxy war during the Cold War between the United States who sided with South Korea and the Soviet Union and China who sided with North Korea. America was committed to stopping the spread of Communism, so the United States battled against North Korea and China in the Korean War.
B: Plessy v. Ferguson because at that time they belived in seperate but equal..which was not the case it was really unfair. So brought to the matter they sorted it out in the supreme court.