The supremacy clause ensures that states do not abuse powers granted to them and remain united to the course of the union. The supremacy clause states that should there be a conflict between state laws and federal laws, federal laws and interests should supersede over those of the states. <span>specifically, it establishes that the Constitution, federal
laws made pursuant to it, and treaties made under its authority,
constitute the supreme law of the land.Even state constitutions are
subordinate to federal law.</span>
Answer:The Immigration and Naturalization Act of 1965, also known as the Hart-Celler Act, abolished an earlier quota system based on national origin and established a new immigration policy based on reuniting immigrant families and attracting skilled labor to the United States.
