How have the colonial ideas of civil liberties and rights changed over time

An example: Blacks and whites used to be separated, called segregation, but now, we live together thanks to some of the older presidents.

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" .