Knowing that choices have consequences, why did early civilizations develop along river valleys?

a)nomadic tribes could use rivers to trade with others
b)river valleys were fertile places where agriculture could thrive
c)papyrus plants used to make paper grew near rivers
d)none of the above

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.

During the 1980s, profit from the sale of weapons to iran was used to stop the communists in costa rica. start a proxy war in el salvador. support the contras in nicaragua. stage a coup d’état in guatemala.