When World War I broke out in July 1914, the United States actively maintained a stance of neutrality, and President Woodrow Wilson encouraged the U.S. as a whole to avoid becoming emotionally or ideologically involved in the conflict.
The four main objectives of U.S. foreign policy are the protection of the United States and its citizens and allies, the assurance of continuing access to international resources and markets, the preservation of a balance of power in the world, and the protection of human rights and democracy.