What factors prompted the us to enter ww1?

Which sentence is the best explanation of how food surpluses led to a job specialization during the neolithic revolution

What was the significance of john hancock's signature on the declaration of independence?

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.