As a member of the Triple Entente, Russia obligingly mobilized against the Triple Alliance. While many initially ... Three months later, a formal treaty was signed in the town of Brest-Litovsk ...

The Triple Alliance created suspicion in other European ... The UK declared war on Germany, honouring the Treaty of London, signed in 1839, that said Belgium should be a neutral country.

NATO members are bound to back each other militarily in the face of any aggression under the collective defense clause in the alliance's founding treaty. "Do you think they're going to come and ...