The answer is all of the above
I believe the answer is C but not 100% sure
d. He told Coronado to be slow and cautious about approaching the Natives.
Answer: the cold war ended
Explanation:
The major downfall of the Articles of Confederation was simply weakness. The federal government, under the Articles, was too weak to enforce their laws and therefore had no power. The Continental Congress had borrowed money to fight the Revolutionary War and could not repay their debts.