Which group experienced the greatest increase in immigrants between these two time periods 1820-1930

How could indian agents profit their assignments?

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

Indicate the point where a monopoly will set its price