The Anti-Federalists feared the federal government would oppress

The Anti-Federalists feared the federal government would oppress enslaved people

Anti-Federalists feared that the government would be too strong since what happened to them with King George. They also believed that the power should be hold in the hands of the states. Anti-Federalist also feared that the government would oppress the people’s rights. Hope this helps!

It was "coal" that became more available to the American public as a result of railroad expansion, because many of the coal mines that were utilized were found in the west and midwest.