They had some thing they wanted probably
This answer is true Congress does have the authority to print and coin money
So other colonies could trade them for their one crop , gets them more money you can say
It sounds like he wants to keep the US out of the war in the spirit of fairness to me.
But it could just be a more logical reason, such as not wanting any pain or harm done to his state.
The purchase of Alaska added 586,412 square miles to the U.S.