Why was Wilson ultimately unable to keep the United States out of the First World War?

Explanation:

US President Woodrow Wilson sought to maintain US neutrality but was ultimately unable to keep the United States out of the war, largely because of escalating German aggression. On May 7, 1915, the Germans sunk the British ocean liner RMS Lusitania, which had over a hundred Americans on board.

i belive the continental association was created to boycott all contact with british goods.

i also belive it was in december 1, 1774