Conversation so far:
which factor contributed to the entry of united states into world war i
German U-boats started sinking American merchant ships in the North Atlantic. Wilson asked Congress for a war to end all wars that would make the world safe for democracy.
when did entry of the united states into world war 1 happen
Congress voted to declare war on Germany on April 6, 1917. On December 7, 1917, the U.S. declared war on Austria-Hungary.
who was president when united states entered world war 1
As U.S. President, it was Woodrow Wilson who made the key policy decisions over foreign affairs while the country was at peace.
what did entry into world war 1 mean for the united states
Under the leadership of President Woodrow Wilson, the war represented the climax of the Progressive Era as it sought to bring reform and democracy to the world.

Question: what was the result
Self-contained rewrite: what was the result of world war 1