They are lawfully authoritative similarly that bargains are. In spite of inquiries regarding the lawfulness of official assentions, in 1937 the Supreme Court decided that they had an indistinguishable power from settlements. Since official assentions are made on the expert of the officeholder president, they don't really tie his successors.
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.
His goal was to find a route to the rich spice trade of the Indies and to explore the west coast of Africa.
It never really failed but he did create a period which some refer to as the imperial presidency due to his desire to rule like a king. It pretty much was the first time that a president was using all of his powers listed in the constitution. Hope this helps:)