The president is the leader of this type of region.

The president is the leader of a country that is a republic, has democratic type of government or a dictatorship. In states with a presidential system of government, the president exercises the functions of head of state and head of government. Hope this answers the question.

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful