What powers does the constitution explicitly give to the federal government

According to the map, most mining occurs in the. part of the state

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

What is the line drawn on a production possibilities graph called?