Respuesta :
Answer:
Due to mobilization of the Russian side, as it was perceived as a threat by Germany
Answer:
On August 1, Germany declared war on Russia, and on August 3, it declared war on France. On August 4, Britain and its empire entered the war as a result of Germany's violation of Belgian neutrality and British fears of German dominance in Europe. These actions reflect the European powers' fears, anxieties, and ambitions.
