What was the movie Selma about? Give a small essay

Identify they difference in plant domestication between mesopotamia and mesoamerica during the neolithic revolution

Why must governments be able to compromise?

One drawback of voluntary trade is that it a.requires two groups to use a common language b.can make one group dependent upon another for necessary goods c.doesn't occur unless there is a shortage of goods for at least one group d.forces groups to rely on themselves to produce all the goods they need