Answer:
The Supreme Court based its 1883 decision about civil rights on an interpretation of the 13th and 14th amendments.
Step-by-step explanation:
The 13th amendment was an amendments to the U.S. Constitution, ratified in 1865, abolishing slavery. The 14th amendment to the U.S. Constitution, ratified in 1868, defining national citizenship and forbidding the states to restrict the basic rights of citizens or other persons.