B. Because when traders came to trade the Indians were all for it. They traded beaver hides, elk hides, sea shells, and so on.......... Please Rate me, and comment. It helps me to improve on my answering. Also if this helps thank me please. And if this really helps, do all plus crown me brainiest answer. Thank you, it means a lot. :D
Those factors were:
city-states
the drawing of political borders
divide and rule policies
Answer:
Laws are approved by the courts.
Explanation: