Answer:
C. They wanted to send other nations a stern warning not to interfere in US government.
A. it is found in article 1 of section 8
b. It is found in amendment 10 which said they are the power for people and state. Different from federal powers.
C. Shared by the federal powers and state government
Cavalry in the American Civil War was a branch of army service in a process of transition for the union. It suffered from emerging technology threats, difficult logistics, and sometimes misguided or inept commanders. Nevertheless, it played important roles in many Civil War campaigns and earned its place alongside the infantry and artillery combat arms.
I hope this helps
Because the states all had different constitutions