What are some of the rights that the bill of rights guarantees to all americans?

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

Indian scholars invented all of the following that we use today except .

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