However, shortly after Mikhail Bakunin and his followers (called Collectivists while in the International) joined in 1868, the First International became polarised into two camps, with Marx and Bakunin as their respective figureheads. Perhaps the clearest differences between the groups emerged over their proposed strategies for achieving their visions of socialism. The anarchists grouped around Bakunin favoured (in Kropotkin's words) "direct economical struggle against capitalism, without interfering in the political parliamentary agitation".