How did major bennett riley's experience change the role of the military on the santa fe trail?

In 1829 Major Riley took 4 companies of soldiers to accompany and protect traders. The caravan was attacked by Kiowas and Riley's men marched into battle. The Kiowas were defeated, but the battle showed Major Riley that protecting caravans would be expensive. After that, traders had to fend for themselves.

answer: an oligarchy is a political system in which the government is run by a group of noble families, or the elite wealthy members of a society. a present day oligarchic government is iran.

explanation:

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.