Respuesta :
Answer:
The answer is D
Explanation:
it worked like how Nato works in america if one counrty atacks you have to help since that country gave you protection
In WWI, many nations and colonies were induced to join the war because they had to sign the treaty agreements and alliances in order to back into war.
Option D is the correct answer.
What was WWI?
WWI stands for World War I which was started in 1914 after the murder of Ferdinand and lasted till the year 1918.
During the era of WWI, there were treaty agreements agreed upon between the nations and various colonies. These were those nations and colonies which were engaged in the war already and formed an alliance to join the war again.
Therefore, the explanation given in part D will match the reason for joining the conflict that arose in Europe by the nations and colonies.
Learn more about the WWI in the related link:
https://brainly.com/question/14387086
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