Clark, Daniel, of New Orleans, iii. 222; in sympathy with Burr and the Mexican Association, 223, 236; his letter to Wilkinson complaining of Burr’s indiscretion, 224; Burr’s drafts to be drawn in his favor, 231; a correspondent of Burr in New Orleans, 296, 322; his hatred for Claiborne, 300; delegate to Congress, 302, 303; secures affidavits in evidence of his innocence, 306 _et seq._; in Washington, 307; preserves silence respecting the conspiracy, 308; Wilkinson’s letters to, 321, 322; turns against Wilkinson, 454. Clark, William, explores Louisiana Territory with Captain Lewis, iii. 12, 215. Clay, Green, brigadier-general of Kentucky militia, surprises Proctor, vii. 105, 107; commands Fort Meigs, 109, 114. Clay, Henry, i. 133; Burr’s counsel, iii. 278, 282; senator from Kentucky, his war-speech of Feb. 22, 1810, v. 189; his speech on the occupation of West Florida, 320, 321; his speech on the Bank Charter, 333, 334; elected speaker, vi. 122, 124; favors army of thirty-five thousand men, 151; favors war-power, 161; favors navy, 164; supposed to have coerced Madison to war, 196; urges embargo, 201; suppresses discussion in the House, 227; his vote defeats repeal of non-importation, 234; his account of the military efforts of Kentucky, 390–393; his comments on Hull’s surrender, 392, 393; opposes compromise of forfeitures under Non-importation Act, 442; elected speaker of Thirteenth Congress, vii. 53; assists Harrison, 73, 74; nominated and confirmed as joint envoy to negotiate peace at Ghent, 371, 393; resigns speakership and sails for Europe, 396; ix. 10; at Ghent, ix. 14, 16; insists that the British will recede, 20; combative, 29; his speeches, 31; drafts Indian article, 32; opposed to recognizing the British right of navigating the Mississippi, 46–48; his opinion of the treaty, 50, 58; his character, 51, 52; Speaker in the Fourteenth Congress, 107, 108; favors strong foreign policy, 109; favors protection, 113–115; recants his errors in regard to the national bank, 117; attacked on account of the Compensation Act, 136; offered the War Department, 142; supports internal improvements, 149, 150. Clergy, of New England, their authority, i. 79–82; Jefferson’s quarrel with, 313–318; their opinion of Jefferson, 321; their attitude toward the war, viii. 20–23; their division into Orthodox, Unitarian, and Universalist, ix, 175–187. “Clermont,” Fulton’s steamboat, makes her first voyage August 17, 1807, iv. 135. Cleveland in 1800, i. 3. Clifton, William, i. 98.