Which of the following was the main reason that senators would not approve the treaty of versailles?
a. they were concerned about future u. s. obligations in foreign affairs.
b. the treaty rejected u. s. colonial practices already established.
c. they wanted the immediate repayment of french war debts.
d. they supported increased foreign aid to germany.

The answer is A.

They did not want to be in World War 1 to begin with and they were weary of getting involved in future problems of Europe.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.