The system of sharia was developed to join together and in islamic countries.

a. religion; law
b. muslims; christians
c. art; science
d. government; economics

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" .

He did that to war with groups