This book contains the substance of the lectures originally given at the Washington University, St. Louis, in May, 1887, in the course of my annual visit to that institution as University Professor of American History. The lectures were repeated in the following month of June at Portland, Oregon, and since then either the whole course, or one or more of the lectures, have been given in Boston, Newton, Milton, Chelsea, New Bedford, Lowell, Worcester, Springfield, and Pittsfield, Mass.; Farmington, Middletown, and Stamford, Conn.; New York, Brooklyn, and Tarrytown, .; Philadelphia and Ogontz, Pa.; Wilmington, Del.; Chicago, 111.; San Francisco and Oakland, Cal