Pass laws on a range of policy issues + deepening its role in policy that previously had been delegated to the state
No Child Left Behind Act
Obamacare
In times of unified government, significant legislative achievements can be made
Trump’s Tax Cuts and Jobs Act passed even when the Republican party was not united entirely behind Trump
The supremacy clause of the Constitution ensures that congressional law is superior to state law so the states are bound to follow legislation they do not approve of
Congress is dependent on the states to enforce laws
Laws have been ignored
Marijuana remains federal illegal yet an increasing number of states have passed state legislation effectively legalising it
Congress does not pass huge amounts of legislation as it is so difficult
Congress failed to pass any meaningful immigration reform despite bipartisan efforts in the Senate and support from President Obama
Laws passed by Congress can be overturned by both the president (through the veto) and the Supreme Court (through judicial review)