Thomas Jefferson was an idealist who believed that humans could government themselves without a national government.
Jefferson wanted everyone to live on farms and be well read and to therefore let the people loosely run the country.
He, however, didn't see the need for a government to ensure that people are educated or safe.
Answer: Isolationism and Neutrality
Explanation:
The policies that prevented the USA from entering WW1 in its first 3 years were Isolationism and Neutrality