Did the cloud help the blitz to attack the cities? (i remember i dont know where but it say that the cloud help camouflage in the night)

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.

answer; basic psychology;

answer; broca's area;

answer; john b watson,(observable behavior);