What steps did women take to win workers rights

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

In some african american communities, unemployment was as high as percent.

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