In that body he soon attained considerable eminence; and, at an early stage of the war, was chosen one of the commissioners to whom the interests of the United States in Europe were confided.

In his diplomatic character, he had contributed greatly to those measures which drew Holland into the war; had negotiated the treaty between the United States and the Dutch republic: and had, at critical points of time, obtained loans of money which were of great advantage to his country.

In the negotiations which terminated the war, he had also rendered important services; and, after the ratification of the definitive articles of peace, had been deputed to Great Britain for the purpose of effecting a commercial treaty with that nation.

The political situation of America having rendered this object unattainable, he solicited leave to return, and arrived in the United States soon after the adoption of the constitution.
As a statesman, this gentleman had, at all times, ranked high in the estimation of his countrymen.

He had improved a sound understanding by extensive political and historical reading; and perhaps no American had reflected more profoundly on the subject of government.