Why did many Americans oppose the war in Vietnam? A. It was long, unsuccessful, and too expensive for America to afford.
B. It was long, unsuccessful, and many Americans were drafted or died in the war.
C. Many Americans supported communism and the Soviet Union.
D. It was long, deadly, and most Americans came to support the Viet Cong.​

B

Explanation:

The main reason some Americans opposed the Vietnam War is that they believed that the United States had no right to interfere in another country's affairs, especially if it involved the expense of so much blood and so many resources.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live