Why did communities on the arabian peninsula prosper economically?

Massive amounts of petrol along the coast of the Arabian sea and inlands attracted many investors. This eventually led to an unprecedent economic boom. :)

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" .