Select all the correct answers. Why did the American stock exchange collapse?
famine and droughts
industrial slowdown
underconsumption
mass unemployment
attack on American ships

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