Respuesta :
Answer:When Germany attacked Russia and Austria-Hungary invaded France
Explanation:
- According to the question, the correct answer is When Germany attacked Russia and Austria-Hungary invaded France
- When Reacting to the Austrian then attack on Serbia, Russia begins full mobilization of its troops. then Germany demands that it stop.
- According to August 1, 1914 - When That Germany declares war on Russia. France and also that Belgium begin full mobilization.
- Also that When Germany declares war on France, and also that they invade neutral Belgium. Occurs when Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium.
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