What is one word to describe the Lincoln plan?

What law allowed the united states to claim uninhabited islands?

Which of the following was a bold new idea expressed in the declaration of indenpendnce?

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