Peace was his reward; on the 24th of December 1814 the treaty was signed; and after visiting Geneva for the first time since his boyhood, and assisting in negotiating a commercial convention (1815) with England by which all discriminating duties were abolished, Gallatin in July 1815 returned to America.
He was so calm, as if they were negotiating over a car and not eternity together.
Here, negotiating and bargaining with the Mahratta chiefs, Wellesley acquired a knowledge of their affairs and an influence over them such as no other Englishman possessed.
On leaving the Senate, in 1893, he became chairman of the Commission to the Five Civilized Tribes (sometimes called the Dawes Indian Commission), and served in this capacity for ten years, negotiating with the tribes for the extinction of the communal title to their land and for the dissolution of the tribal governments, with the object of making the tribes a constituent part of the United States.'
On his return to London he found the parliament again negotiating Cromwell with Charles, and on the eve of making a treaty which Charles himself had no intention of keeping and the regarded merely as a means of regaining his power, and which would have thrown away in one moment all the advantages gained during years of bloodshed and struggle.
