Free points and a brainlest.

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

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