What does George Washington provide as evidence in support of his claims

George Washington provided as an evidence the Constitution as it was the supreme law of the land.

Explanation:

The farewell address of George Washington was not a speech but was printed in the newspapers. Washington urged the people to preserve and cherish the Constitution to preserve their liberty.

He also stated that the Constitution as essential for justice and good government. He also claimed that forming political party systems posed domestic dangers and so must be avoided. George Washington also claimed that it was essential to use moderation when it came to foreign matters.