In a 6 sentences, explain if the 15th amendment was a success or failure when it was passed in 1869?

After the Civil War, during the period known as Reconstruction (1865–77), the amendment was successful in encouraging African Americans to vote. Many African Americans were even elected to public office during the 1880s in the states that formerly had constituted the Confederate States of America

Explanation:

The 15th Amendment granting African-American men the right to vote was adopted into the U.S. Constitution in 1870. Despite the amendment, by the late 1870s discriminatory practices were used to prevent blacks from exercising their right to vote, especially in the South

c. free trade can lead to low pay for workers in poorer countries.