Why did many countries pursue treaties against certain weapons in response to the cold war?

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

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies

All of the following were restrictions on free african americans, who lived primarily in the upper south except: