Answer:
Martin Luther King Jr. gave his famous "I Have a Dream" speech during the March on Washington
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.
About 1,029,900 immigrants settled in the United States in 2009
He became President at the end of the Reconstruction Era of the United States through a complex Compromise of 1877.
