What does Washington suggest is the key to preserving Americans' independence peace safety and prosperity?

George Washington suggests that the key to preserving Americans' independence, peace, safety, and prosperity lies in unity and the avoidance of political factions. He emphasizes the importance of a strong national government that reflects the will of the people while maintaining the principles of liberty. Additionally, Washington advocates for the establishment of a moral foundation and civic virtue among citizens to ensure that they remain engaged and responsible in safeguarding their freedoms and well-being.