Answer:
During his Farewell Address, Washington supported the idea of United States as a whole, abiding the guidelines of the Constitution. Also, he pointed out the importance of avoiding sectionalism. Also, he believed in a checks and balances system as this might prevent one individual group to seize power of the whole nation. Regarding foreign policy, Washington advocated for a "Good Faith" policy, which avoided long-standing relationships or rivalries with other nations as this might involve United States in undesired intrigues.
Explanation: