The ideas expressed in George Washington's Farewell Address advocated for neutrality and warned against entangling alliances with foreign nations, particularly in Europe. In the early 1800s, one notable development that represented the continuation of these ideas was the adoption of the Monroe Doctrine in 1823.
The Monroe Doctrine asserted that the Americas should be free from European interference and that any attempts by European powers to colonize or interfere in the Americas would be viewed as acts of aggression. This policy reflected Washington's caution against alliances and foreign entanglements, as it aimed to keep European affairs out of the Western Hemisphere and maintain the independence and sovereignty of American nations.
Thus, the implementation of the Monroe Doctrine can be seen as a significant continuation of Washington's message of steering clear of permanent alliances and foreign entanglements.