What was the relationship between charlemagne and the pope like

Pope Gregory IV didn't get along at all with King Henry IV. They did not approve of each others ways of ruling and religious teaching styles. They convinced each others closest and faithful servants to overthrow or remove one another from their standing position. Eventually, they forgave each other and popes and kings were then on known to have disagreements with each other and have a massive compromise.

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" .