According to the supremacy clause in the Constitution, what happens if a federal law and

state law are in conflict?

a) a conference committee is called to resolve differences between the national and state law
b) the state law is sent back to the state legislature to be revised
c) the President is given the power to remove either law through the power of veto
d) the federal law takes precedence over the state law

d) the federal law takes precedence over the state law