Which did not occur after the cold war ended

Distance that the transcontinental railroad covered from omaha to san francisco.

Which factors add to the greenhouse effect and are caused by human activities?

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.