Pleazze abraham lincoln caused four states to join the confederacy by
a. declaring war
b. firing on fort sumter
c. emancipating the enslaved people
d. calling for troopd

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

1. 5-8 weeks 2. better care of captured africans