Black codes were established in the south immediately after the civil war in an effort to

Black codes were established in the south immediately after the civil war in an effort to make it impossible for blacks and newly-freed slaves to advance socially and economically in society. 

What is this saying? ?

The  pan-african movement  was an "emotional, cultural, psychological and ideological  movement  that began among the  african  dispora in the western hemisphere, for a closer  purpose, so that  african  people could feel secure, attain political, economic as well as psychological power visa vis other races or world regions" .