George Washington was one of the founding fathers of America. The sentence from the excerpt that best supports George Washington's belief that the U.S. should deal cautiously in economic affairs is;
George Washington in this text was cautioning the present and future rulers of the United States on the need to be careful in their dealings with other nations.
In the bullet point above, we see Washington reminding the leaders that it would be foolish for them to seek favors from other nations at the risk of their independence.
So, this sentence is an example of George Washington's belief that the U.S. should deal cautiously with other nations in economic affairs.
Learn more here:
https://brainly.com/question/23094821