Which factors contributed to the U. S. failure in Vietnam?

Choose all answers that are correct.

A. The Vietnamese had expert guerrilla fighters.
B. The United States overestimated the cost and length of the war.
C. The United States did not study Vietnamese history or ask enough questions.
D. China and Vietnam had been close allies for centuries.

MULTIPLE CHOICE!!!

It is A. The Vietnamese had expert guerrilla fighters

Explanation:

the correct answers are: 1) lay and collect taxes and duties; 2) pay debts; 5) borrow money;   6) regulate commerce with foreign nations.

article 1, section 8. refers to the powers of congress. according to the united states constitution: “the congress shall have the power to lay and collect taxes, duties, imposts, and excises, to pay the debts and provide for the common defense and general welfare of the united states.”