What two pieces of legislation reflected the conflict between?

The two pieces of legislation that reflected the conflict between federal authority and states' rights are the Alien and Sedition Acts of 1798 and the Missouri Compromise of 1820. The Alien and Sedition Acts aimed to strengthen federal power by restricting Immigration and limiting free speech, leading to widespread opposition and fears of government overreach. Conversely, the Missouri Compromise attempted to maintain a balance of power between slave and free states, highlighting the tensions between federal intervention and states' rights in determining the status of slavery. Both pieces of legislation illustrate the ongoing struggle between federal authority and the autonomy of states in shaping their own laws and policies.