The fifteenth amendment declared that a male citizen’s right to vote could not be infringed upon based on “race, creed or previous condition of servitude.” The amendment affected African Americans in all parts of the United States, not just in the South. Southern states were required to write new constitutions that allowed African Americans to vote. Southern critics claimed that the only reason Congress passed this amendment was to protect the power of the Republican Party. Certainly this motive played a part in the passage of the fifteenth amendment, however, as a result of the amendment; African Americans were able to vote and hold political office and were elected to state legislatures and congressional delegations during the Reconstruction period. Although the thirteenth, fourteenth, and fifteenth amendments were designed to protect the rights of African Americans, they were only effective so long as the Republicans had control of state governments or federal troops were able to protect African American’s social and political rights. No provisions were passed to ensure that African Americans would be able to own land and most Southerners refused to sell land to African Americans, even if the former slaves had the money to purchase it. Consequently the economic rights and independence of freedmen were limited, even during Reconstruction. Once Reconstruction ended, there were no protections in place for the rights of African Americans. Although African Americans had constitutional rights as a result of the thirteenth, fourteenth and fifteenth amendments, these were often violated by groups such as the Ku Klux Klan.