What was the major challenge with ending slavery that reconstruction tried to help?

Reconstruction, in U.S. history, the period (1865–77) that followed the American Civil War and during which attempts were made to redress the inequities of slavery and its political, social, and economic legacy and to solve the problems arising from the readmission to the Union of the 11 states that had seceded

cultural history is your answer

if you could provide an excerpt for me to read i could