What events led to the secession on of the southern states

Under the new imperialism europe did not need large numbers of people to control territories because of

Brainliesttt !me : ) why were the eastern european countries attempting to break free of the soviet union?

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