Which region was the main shipping hub located?

What pact signed on 1949 reinforce that the united states would not return to an isolationist policy

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

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