Residents of the Indus valley were so isolated by geography that they never ever saw other civilizations.
A. True
B. False

The system of checks and balances ensures that

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

The conclusions presented in this article are based primarily on