Gibbons vs Ogden
supreme court decision that ruled that the constitution gave control of interstate commerce to the U.S. Congress, not the individual states through which a route passed.
Dred Scott vs Sanford
supreme court case that ruled african americans were not citizens and declared the Missouri compromise unconstitutional
Plessy vs Ferguson
a case that was brought to supreme court by black lawsuits to challenge the legality of segregation. The court ruled that segregation was legal as long as it was "equal"