Respuesta :
The correct option for the main idea is A. Because of Germany's hostile actions toward the United States, the United States must declare war.
What was the significance of April 6, 1917?
On April 6, 1917, the United States formally declared war against Germany and entered the conflict in Europe. Fighting since the summer of 1914, Britain, France, and Russia welcomed the news that American troops and supplies would be directed toward the Allied war effort.
Conclusion: Wilson cited Germany's violation of its pledge to suspend unrestricted submarine warfare in the North Atlantic and the Mediterranean, as well as its attempts to entice Mexico into an alliance against the United States, as his reasons for declaring war.
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