Federalism is the different types of principle that the government enforce law to ensure the safety for citizen and non citizens. Paragraph 2 of the Constitution is commonly referred to as the Supremacy Clause. It establishes that the federal constitution, and federal law generally the supremacy clause can also overtake the state laws and even state constitutions. The founding fathers decide to use federalism as a way to control the people and their actions, they believed that governmental power inevitably poses as a threat to individual citizens for life and liberty because some states may abuse their power so the government decide to make laws to prevent states from taking too much power. only the federal government can intervene with