Discrimination: The act of treating a person or group of people differently, usually because of race, religion, sex
Disenfranchise: to deprive someone of the right to vote
Literacy test: determines someone's ability to read and write; after the U.S. Civil War literacy tests were used to prevent people of color from registering to vote
Poll tax: a fee that must be paid in order to register to vote
Segregation: the practice of requiring separate facilities (restrooms, schools, restaurants, movie theaters, etc) based on race