1. The thirteenth amendment abolished slavery practice in all U.S states and territories
2. The 14th amendment was passed during a time of reconstruction era for the U.S it was needed because some southern states began passing laws that restricted the rights of former slaves after the Civil War, and Congress responded with the 14th Amendment, designed to place limits on states' power as well as protect civil rights.
3. The 14th amendment was and has been used to protect all citizens that were born or naturalized in the U. S, including former slaves.