Illinois, 3; for Jackson, 22; population, 28, 87, 89, 90; internal improvements, 90; Germans in, 91; capital from New York and London, 91; debt and income, 98; for Van Buren, 111, 113; Oregon and Texas, 122, 131; Indians removed, 199, 201, 205; convicts in 1860, 213; educational reform, 223; for opening Nebraska, 238; North for Republicans, 241; for Buchanan, 246, 262, 263; Democratic, 302. Illinois Central Railroad, built, 204. Immigration, 40, 212. Independent Treasury, proposed, 103; contested, 104; established, 104, 107, 108, 109; law repealed, 115; reenacted, 149. Indian Territory, 89. Indiana, for Jackson, 22; population, 90; internal improvements, 90; capital from New York and London, 91, 113; Indians removed, 199, 201; illiterates, 213; educational reform, 223; for opening Nebraska, 238; North for Republicans, 241; for Buchanan, 246, 262; Democratic, 302. Indians, Creeks, 1, 2, 26; removal desired, 29; and Georgia, 72; removal by Jackson, 87, 88; Cherokee Nation against Georgia, 88; Seminole War, 104. Ingham, Samuel D., 14, 17; Secretary of the Treasury, 58. Internal improvements, West for, 28, 59; Carey and Lea pamphlets, 53, 55; Maysville veto, 63, 65; and Whigs, 110, 130; extending slavery, 141, 150, 152; and Wilmot Proviso, 170. Inventions, 199, 212, 224. Iowa, 87, 89, 90, 106; made State, 198; Indians removed, 199, 201, 205; for opening Nebraska, 238, 264. Irish, in United States, 185. Irving, Washington, 52.