How were slaves used by the maya and the aztecs

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.

What spurred american trade with northern mexico?