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Which of the following occurred when news of the European war first reached the United States?1. John J. Pershing was already on his way with tens of thousands of troops, as Wilson had already signed a pact with Great Britain and France.2. Irish Americans became the group that most leaned toward supporting the Allies, and for this reason, Wilson felt confident in joining the Allies' side.3. Most old-line Americans were sympathetic to the Central Powers, so Wilson worried he would not have enough support to declare war and join the Allies.4. Wilson publicly promoted neutrality while privately ensuring that the United States would help provide supplies to the Allies.

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