In the Times Article, How Reconstruction Still Shapes American Racism, Henry Louis Gates Jr. writes:

 

"Reconstruction, the period in American history that followed the Civil War, was an era filled with great hope and expectations, but it proved far too short to ensure a successful transition from bondage to free labor for the almost 4 million black human beings who’d been born into slavery in the U.S.  During Reconstruction, the U.S. government maintained an active presence in the former Confederate states to protect the rights of the newly freed slaves and to help them, however incompletely, on the path to becoming full citizens. A little more than a decade later, the era came to an end when the contested presidential election of 1876 was resolved by trading the electoral votes of South Carolina, Louisiana and Florida for the removal of federal troops from the last Southern statehouses."  Read more here.