Answer:
Spread of communism (The Domino Theory) and its support from China and Russia.
Explanation:
Before the Vietnam war, the United States was very much concern about the spread of Communism in Asia, as they gave it a term of Domino theory. The theory asserted the situation of letting a communist nation to takeovers other neighbouring states and converting it under communism. The U.S. involvement in Vietnam began in 1954, though ongoing conflict in the region of North and South.
Russia assisted China in spreading communism in Asia which also became one of the reasons for the United States to refuse to withdraw from the Vietnam conflict.
While, B. Constantine, reigned as emperor from 306 A.D to 337 A.D., Christianity began to transition into the dominant religion of the Roman Empire.
A because he was very optimistic.
<span>fffffffffffffffifty years ago, the U.S. enacted a sweeping immigration law, the Immigration and Nationality Act, which replaced longstanding national origin quotas that favored Northern Europe with a new system allocating more visas to people from other countries around the world and giving increased priority to close relatives of U.S. residentsssssssssssssss.</span>
Answer:
Carthage, a seaside suburb of Tunisia’s capital, Tunis, is known for its ancient archaeological sites.
Explanation: