In which area do the states help the national government

The state courts aid in the process of naturalization, where this most often takes place. State and local police officers aid the F.B.I. by detaining those who commit federal crimes, and holding them in local jails.

Explanation:

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

raw information is your answer

~courtney