What are the principles of American foreign policy put forward by Washington? On what basis did he put forward this principle?

1 the first president Washington put forward the principle of "isolationism" in his famous farewell speech 1796.

Isolationism is a foreign policy. It usually consists of national defense and economic policies. In defense, isolationism adopts the principle of non-interference, that is, it does not take the initiative to get involved in any external military conflict except self-defense war; Economically and culturally, trade and cultural exchanges with foreign countries are restricted by legislation to the greatest extent.

3. Based on its own economic and military strength, focus its activities on the American continent, avoid being involved in political and military conflicts in Europe in foreign relations, do not undertake political and military obligations of the international community, and do not form alliances with foreign countries, especially European powers.