Why did charlemagne distrust the pope's motives in crowning charlemagne as holy roman emperor?

Becuse him and his family had hated the emporeir so what they did was make an aggrement but they broke it and then he earned no trust

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" .

Your answer would be a in this question good luck