The United States tried to avoid involvement in World War I by following a policy of

I choose neutrality, because back then the US follow president George Washington advice not to interfere with other foreign nation so they do not want to get involve but then 3 event force them to.

1. SInk of Lusitania

2. zimmerman note.

Forgot one sorry

Explanation:

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.