Which economist developed an economic theory that became influential during the global depression as well as the rest of twentieth century?
a. adam smith
b. alfred marshall
c. jeremy bentham
d. john maynard keynes

It is Adam Smith.he developed the theory

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