Why did Europeans enslave millions of Africans? Question 18 options:

Slavery was a critical part of the European belief system.

Slavery was a critical part of the European government.

Slavery was a critical part of the European social structure.

Slavery was a critical part of the European economy.

social structure and economy seem the smartest ones

Explanation:

Slavery was a critical part of the European economy.

Explanation:

Slavery was a key part of maintaining the economy in Europe.

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