The correct answer is It was changed as a reaction to the desegregation movement of the era.
According to David Goldfield, author of "Still Fighting The Civil War", the debate over the new flag in 1862 made it clear that the confederation was looking for a symbol of white supremacy and of a society dominated by slavery.
After the war, the flag was used in celebrations and soldiers' meetings, but for blacks, "it is a legacy of hatred", says Goldfield, because it was adopted by groups like the Ku Klux Klan and others who defended the racial segregation.
