Black power was a slogan dating back from the 1950's on, that emphazised racial pride and created community cohesion for the black community in the U.S. (a society where white men are still the majority). The black power slogan was a means of expressing solidarity, meaning freedom ,enabling the expresion of liberty for the black community. Furthermore; black power means black people comming together, uniting with people being represented .giving them authonomy. Black power feelings took shape since it became also a very particular form of activism and political ideology by 1960's and onwards.
got it from google Primary-source documents related to responding to enslavement -- includes laws and proclamations, court records, newspaper articles and ads, letters, narratives, journal writings, music and lyrics. Transcribed interviews with audio clips of personal slave narratives relating to the theme of freedom and emancipation.
Answer: It effects countries after they've been decolonized as it's still taking resources away from them after leaving the control of the country up to them.
Explanation: (Hope this helps that's what I got from my History 12 course.)