Why did the atlantic slave trade from africa begin?

a
africans needed military protection from the europeans during the war.

b
american landowners needed more slaves to farm their tobacco fields.

c
european factories needed cotton from america to make their textiles.

d
european powers needed african workers for their sugar plantations.

Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies