What is the advantage of protesting nonviolently rather than by using force? what are the disadvantages ?

Advantage means no revenge just, and right for nonviolent  resistance. Totally thinking above, there are two side's opinions here; so that we must stand on both sides on thinking of advantages or disadvantages. If the black people could not put up with white people's action, it would be terrible

30 and 44 are b

explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.