A current controversy over federalism involved the Affordable Care Act signed into law in 2010 that sought to expand Medicaid to assist the poor. Many states did not want to implement this law. So the Supreme Court decided to legalize Medicaid expansion but also marked as unconstitutional the removal of Medicaid funding from states that denied expansion. Federalism will continue to play an important role in defining the boundaries of state and national laws. Throughout the history of the United States, federalism began with a weak national government and, as it evolved, continued to strengthen it. In the future, federalism will continue to strengthen and stabilize ours