If these goals had been attained, how would they have improved the situation of the English merchants trading with China?

Which fundamental right is protected in this excerpt ?

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

Which statement is the best summary of this passage?