Respuesta :

On 7 August 1914, the British government officially asked Japan for assistance in destroying the raiders from the Imperial German Navy in and around Chinese waters. Japan sent Germany an ultimatum on 14 August 1914, which went unanswered; Japan then formally declared war on Germany on 23 August 1914.

British government asked Japan for assistance in destroying the ships from the Imperial German Navy in and around Chinese waters. It was a nasty "war" and Britain needed help.  Japan sent Germany an ultimatumand that went unanswered. Japanthen formally declared war on Germany because they didn't comply.