What did the mayan and aztec form their communities around?

How did many delegates from northern states at the constitutionalconvention view slavery?

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

Explain why the greeks might not have had a great influence on the world if they had better farmland?