Internationalism and isolationism are two different and opponent political principles. Internationalism advocates that countries and nations of the world should have strong and constant cooperation in economy or politics. It has its roots in both socialism and liberalism. On the other hand, isolationism preaches that it is best choice for one nation to stay as far as possible from affairs of other countries. Isolationist think that involvement in international problems can draw nation into dangerous conflicts, and therefore should be avoided.