The Progressives were people advocating social reform. They believed in science and technology, and were very political people.
Both Thomas Jefferson and James Madison are known as two of the Presidents and also as two of the Founding Fathers of America. For them, they believe that the most beneficial for the country is to support lowered tariffs and strengthen foreign trade for the farmers of America. Answer is C.
There could be several options for answering that question. I'd say one area of strength for the Articles of Confederation was that they encouraged coordinated, cooperative action between the states to resolve any disputes between the states. Another strength might be the establishment of a Department of the Treasury and Department of Postal Service so that money could be coined and mail service provided.
Meanwhile, there were also weaknesses, such as each state got only one vote, regardless of the size of the state. Also, each state could tax trade from other states -- there was no authority in the Confederation to regulate interstate commerce.
I believe you're looking for the Missouri Compromise.
Answer:
For #4, answer C. I'm not certain #3 can be answered with the text provided.