What was the main source of conflict at the Constitutional Convention? 1. how to abolish slavery
2. eliminating tariffs and other trade barriers
3. federal versus state power
4. the official language of the country

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