Which were factors in the United States' failure to achieve its goals in Vietnam? Choose all answers that are correct.

The United States estimated that the war would cost much more money and time than it really did.

The United States supported corrupt leaders in Vietnam.

The United States entered the war in order to make Vietnam a U. S. colony.

The United States did not study Vietnamese history or ask enough questions.

The United States estimated that the war would cost much more money and time than it really did.

The United States entered the war in order to make Vietnam a U.S. colony.

Explanation:

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.