Someone please help me on number 4!!what’s the answer

How did northem leaders try to encourage americans to buy goods made in the united states rather than foreign imports? a high taxes on imports to increase the cost of imported goods b low taxes on imports to increase the cost of imported goods c. high taxes on imports to decrease the cost of imported goods d. low taxes on imports to decrease the cost of imported goods e high taxes on imports to decrease the cost of manufactured goods

Which of the following best describes us involvement in the korean peninsula today?

Who coined the phrase “go west and grow with the country”?