Which country in north america was the last to achieve independence from colonial rule?

Which of the following was probably the most difficult challenge facing construction of the railroad?

How did the supreme court decision in the slaughterhouse cause an affect american business

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