The system of government that delegates power to the national government, to the state governments, and to the local governments is called —

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

Asa whitney was the first to advocate for a transcontinental railroad.