Answer:
Germany offered to support Austria-Hungary against Siberia is one of the reasons for Germany's involvement in the first world war.
Step-by-step explanation:
- First world war was started by Europe in North America and it last from July 1914-November 1918.
- Alliances, Imperialism, Militarism, and Nationalism was the four main aspects that initiates the war.
- Germany stood behind to its alliance Austria-Hungary and Russia supported Siberia followed by France in the global war.
- Germany became the first nation to declare war on other nations during this war.