This would be known as the Proclamation of Neutrality. France declared war on Britain during what was known as the French Revolution. The French called for American support, but Washington refused. This would be reflected in Washington's Farewell Address when he called for the avoidance of foreign intervention from the United States.
He sent the National Guard to the high school in Little Rock, Arkansas. There, the national guard escorted the African American students into the school and all the way to their classes.
I believe it would be Prohibit :) hope this helped
The answer to your question is 4600 miles