When the matter was taken up by the Congress, the demand was quickly disallowed.

The absurdity of allowing Silas Deane or any other American in Paris, no matter how meritorious his own services might be, to assign to foreigners commissions of high rank in the American army was too obvious to be debated.
To illustrate the character of Washington's miscellaneous labors in addition to his usual household care of the force under him, I borrow a few items from his correspondence.

I borrow at random, the time being October, 1777, when the Commander-in-Chief is moving from place to place in northern New Jersey, watching the enemy and avoiding an engagement.

A letter comes from Richard Henry Lee, evidently intended to sound Washington, in regard to the appointment of General Conway to a high command in the American army.

Washington replies with corroding veracity.
[Matuchin Hill, 17 October, 1777.] If there is any truth in the report that Congress hath appointed ...