What were some obstacles in approving the articles of confederation?

The answer is mentioned below.

Explanation:

Article of Confederation was adopted in 1777, during the critical years of the American revolution to bond the states together under a weak central authority. However, the problem of the Congress to amend the article or to make new laws required states majority and Shay's rebellion exposed the weakness of the power of Congress under Article of Confederation and therefore there was need of the Constitution of the United States.

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.

the supreme court can hear any case it wishes as long as four justices agree to hear it.

hope this , give me brainliest answer =j