Which event has the immediate effect of causing germany to declare war on the allies

Russia mobilizes its forces on Germany’s eastern borders.

fearing kabuki could corrupt the nation’s morals, japanese government officials

explanation:

the national morals was so the japanese and the kabuki would stop fighting

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,