President Theodore Roosevelt's foreign policy can be characterized by his motto of "speak softly and carry a big stick." meaning he supported using force when necessary.On the other hand, Woodrow Wilson's foreign policy was mainly characterized by his belief in neutrality and governing based on morals.
It was all the fashion rage at the time. ALL men had to be clean shaven
if they weren't then they were shaved by force.
It was originally constructed to prevent foreign invasion, specifically from the Mongolians. Hope this helps!