Which 1824 Supreme Court case held that federal law overrules state laws in matters affecting more than one state?

Who issued the ruling for the supreme court? dred scott roger b. taney abraham lincoln john c. calhoun

The fourteenth amendment how did the action resolve a longstanding conflict in post-civil war america? it defined the process for readmittance of the former confederate states into the united states of america. it ensured the right to vote to all male citizens of the united states, regardless of race, color, or prior servitude. it defined citizenship and related rights for african americans. it abolished slavery in the united states.

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?