Which of the following factors did not contribute to the fall of roman empire

What artifact did modern scholars study to them understand hieroglyphics

Historians sometimes rely on video recordings in researching past events because

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