Respuesta :
Answer:
D German submarines were sinking even neutral boats with no warning.
Explanation:
Main reason for the "World War I Declaration" by President Wilson was because the German submarines were sinking even neutral boats with no warning.
The United states entered the World War I because Germany embarked on a deadly gamble.
The German submarine sank many American merchant ships around the British Isles.
Hence, the main reason for the "World War I Declaration" by President Wilson was because the German submarines were sinking even neutral boats with no warning.
Therefore, the Option D is correct.
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