What is migration?
O A. The use of machines to make travel easier
O B. Using trains to carry trade goods from place to place
O C. The movement of products from one place to another
O D. The movement of people from one place to another

D

Explanation:

Human migration is the movement of people from one place to another with the intentions of settling, permanently or temporarily, at a new location. The movement is often over long distances and from one country to another, but internal migration is also possible; indeed, this is the dominant form globally.

the answer is d. tariffs were raised by america's trading partners after the smoot-hawley tariff act, decreasing exports, and declining job rates.

it increased the power of the king of england.