How did u. s. supreme court rulings in the late 19th century facilitate laws in the post-reconstruction south, which effectively circumvented the 14th amendment?

1. the fifteenth amendment guaranteed for all us citizens, regardless of "previous condition of servitude." freedom citizenship voting rights religious tolerance 2. which group was still not allowed to vote following passage of this amendment? women poor men rich men former slaves 3. the fifteenth amendment was the last of the amendments. carpetbagger lincoln reconstruction scalawag