of the Arkansas River. Adair, certainly in the secret, believed the object of this expedition to be the opening of a road to Santa Fé and to the mines of Mexico.[1] Every recorded letter or expression of Wilkinson during the spring and summer of 1805 showed that he was in the confidence of Burr and Dayton; that he gave them active aid in their scheme for severing the Union; and that they in their turn embraced his project of Mexican conquest.
Burr reached New Orleans June 25, 1805, and remained a fortnight, entertained by the enemies of Governor Claiborne and of the Spaniards. Conspiracies were commonly most active and most dangerous when most secret; and the mark of secrecy, almost wholly wanting to this conspiracy in the Northern States, was never removed, by any public inquiry or admission, from its doings at New Orleans. According to the story afterward told by Wilkinson on the evidence of Lieutenant Spence, Burr on his arrival in Louisiana became acquainted with the so-called Mexican Association,—a body of some three hundred men, leagued together for the emancipation of Mexico from Spanish rule.[2] Of this league Daniel Clark afterward declared that he was not a member; but if his safety as a merchant required him to keep aloof, his sympathies were wholly with the Association. After Burr's arrival, and under his influence,
