How would you describe emancipation among slaves

What is one important quote from each of the following philosophers and what do they each mean? thomas hobbes, john locke, and baron de montesquieu

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

After studying the timeline above, what observations can you make about u.s. environmental policy between 1970 and 1996?