In the event of isolation during operations other than war, the reasons to delay contact with legitimate authorities include:
1.Gain situational awareness
2.Contact friendly forces
The answer is racial discrimination.
Jim Crow Laws were laws created to segregate the White and
Black Americans in the mid-19th century. These laws were created by
the Democratic party wherein they have given the Black Americans equal rights
but they have created their own public facilities to separate them from the
White Americans.
Wilson wanted to created lasting peace across nations, so aimed for the creation of the League of Nations(later known as UN). The United States never joined it, and many people didn't want the country getting involved in foreign affairs