How did the united states respond to the outbreak of war in europe in 1914?

congress passed the selective service act.
the united states sent troops to europe using the convoy system.
the united states declared its neutrality.
the united states halted trade with great britain.

The United States declared its neutrality but eventually ended up joining the war in 1917 when British ocean liner Lusitania was sunk by a German U-boat in 1915. 2000 people died which included 128 Americans. Wilson asked for a deceleration of war from Congress against Germany and so they entered.

Explanation:

remember the people who sacrificed their lives at gettysburg

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