What was the most important step Congress took to help America prepare for the war effort

Explanation:

After the war began in 1914, the United States proclaimed a policy of neutrality despite president Woodrow Wilson's antipathies against Germany. Early in the war, the United States started to favor the British and their allies with 1452 soldiers stationed in Europe.

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the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.

b is correct

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