No, senate, yes they can repeal or modify treaties.
Answer:
Wallace believes the international affairs with other countries was unnecessary and disturbing.
Explanation:
If there is a higher tariff on British goods, then people would not want to buy their goods because the tax if too high. If they can get something else for a lower cost, such as good from American business then they would go and buy from those business. This protects them because again people like to get the most for their buck and this lessens competition from British business.
Assuming you're referring to Frederick Douglass, he was subject to slavery before escaping it. Therefore he could talk about his experiences as a slave
The Supreme Court can review and determine whether law are constitutional or unconstitutional.