Religious militancy is restricted to
-christianity
-islam
-judaism
-all beliefs

The coorect answer is (D), all beliefs. Religious militancy is a phenomenon often equated within violence in scholarly writing, which is a major threat for the world. Though religious militant exists in most of the religious group truly none of the religion supported religious militancy.

russia because it is the biggest state

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.