Answer:
Climate change, Availability of resources
Explanation:
1. Soon enough when the climate on the planet started to become more arid and become too hot, so humans started to migrate from Africa.
2. People started to move away to the places where resources were available.
Hopes this helps:
Answer: The law authorized the president to negotiate with southern Native American tribes for their removal to federal territory west of the Mississippi River in exchange for white settlement of their ancestral lands.
True i think hopefully this is helpful
I believe youe answer is C. The Triangle Shirtwaist Factory Fire