Which of these would have been a positive effect of the columbian exchange? a) a reduction in european wars
eliminate
b) social equality in the americas
c) the spread of influenza in europe
d) improved diet in the americas and europe

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