Sentence:  What if this voice should say words that it speaks already in private, should rise and not fall again, should rise and rise and rise, and the people rise with it, should madden them with thoughts of rebellion and dominion, with thoughts of power and possession? Should paint for them pictures of Africa awakening from sleep, of Africa <WSD>resurgent</WSD>, of Africa dark and savage? 
Meaning of the word marked with <WSD> tags:  Undergoing a resurgence; experiencing renewed vigor or vitality.