Based on this document, what is ONE way in which these proposals favored the free states, mostly located in the North?

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

Ummm they were radical