1. He came home the same way, the front door slamming open, his cap on the floor, and the voice suddenly became raucous shouting, “Isn’t anybody here?” Inferences explication. please I really need this answer...T-T and it's english it's just that I put history but it's english. -_-

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