Unrestricted submarine warfare was first introduced in World War I in early 1915 ... those from neutral countries, would be attacked by the German navy. ... The incident prompted U.S. President Woodrow Wilson to send a ... government demanding an end to German attacks against unarmed merchant ships.
The tail can wag the dog means that issues that may seem trivial and small can end up causing large havoc. For instance, an issue that begins as a small one can end up blowing up and causing the fall of a regime or government
The correct answer for this question is "d. Selective Service and Allocation Act." The Selective Service and Allocation Act was established in 1942 by FDR to regulate the production and allocation of materials and fuel in the United States during WWII.
Due to a drop in manpower, the women sometimes took the role and job of the man. They also served as spies, nurses, and a few snuck their ways into the front lines.
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The answer would have to be 1. line