What country controlled most of the land in america by the mid-1500's

In the latter stages of the civil war who was given the responsibility of winning the war for the north

Atsar was a russian leader in early 1900 who was similar to a?

Which effect did the united states supreme court's decision in plessy v. ferguson have? 1. ending segregation in all public schools in america 2. protecting voting rights for african americans by eliminating literacy tests 3. upholding the rights of all citizens to be treated equally by the government 4. authorizing the system that kept black and white people separated