Answer:
William English Walling
Explanation:
Originally in 1905, the Niagara Movement was founded by the likes of Du Bois and other Africam American personalities in a Canadian location known as Niagara.
However, the likes of William English Walling joined the movement in 1906. Walling was widely known as the Socialist and American labor reformer, he eventually seek for revival of the abolitionist spirit when he joined the Niagara Movement
