During the 1904 Congress of the Second International, Jaurès challenged orthodox Marxist August Bebel, the mentor of Kautsky, over his promotion of monolithic socialist tactics.
Gjatë 1904 Kongresin e Dytë Ndërkombëtar, Jaurès sfiduar ortodokse Marksist August Bebel, mentor e Kautsky, me kalimin e tij në promovimin e monolit socialiste taktika.