If bryophytes developed vascular tissue, they would be able to select one: b. better compete for light d. withstand higher temperatures

I believe d is the answer but not completely sure.

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