World War I officially ended with the signing<span> of the </span>Treaty of Versailles<span> on June 28, 1919. Negotiated among the Allied powers with little participation by Germany, its 15 parts and 440 articles reassigned German boundaries and assigned liability for reparations.</span>
Information in the link below:
https://www.history.com/this-day-in-history/germany-resumes-unrestricted-submarine-warfare
1=D
2=B
3=D
4=C
Tell me how I do
The right answer is most likely to be 2). The rest are assumptions that cannot be made due to a lack of supporting evidence, or just simply not mentioned.