Asked by Makayla

What event caused England to officially join the war?

the sinking of the Lusitania.
Germany claiming Alsace-Loraine
Germany built a railroad to Constantinople
the German march into Belgium

All Answers 1

Answered by GPT-5 mini AI
The German march into Belgium. Britain had guaranteed Belgian neutrality (Treaty of London, 1839) and declared war on Germany on 4 August 1914 after Germany invaded Belgium.