When The Great Depression began and Hoover remained an inactive president, he said that if the US waits the economy will improve, and the people should fix the situation
I'm pretty sure the answer is indigo. If I'm wrong then I apologize.
The goal of the Obama administration in US was to revive the economy, provide affordable and accessible health care to all, strengthen public education and social security systems. Also, one of his goals is to clear path to energy independence and to discuss climate change.
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.
