For the first question regarding why Jefferson and the Democratic-Republicans opposed policies favoring manufacturing and trade, the best response is:
The Democratic Republicans believed they would lead to a reduction in farming and cause Americans to rely on foreign goods.
This captures the agricultural focus of the Democratic-Republican ideology and their concerns about reliance on foreign markets.
For the second question regarding the best summary of Washington's viewpoint on American foreign policy, the best response is:
The United States should limit interaction with Europe to commerce, or trade.
This aligns with Washington's belief in minimizing political connections with foreign nations while engaging in commercial relations.