The document summarizes key events and people from the mid-19th century United States Industrial Revolution and Gilded Age. It describes innovations like the Bessemer Process that advanced steel production. It discusses laws like the Homestead Act that gave settlers land ownership. Influential figures included landscape architect Frederick Law Olmsted, Buffalo Soldiers regiments, and labor leader Samuel Gompers. Events involved political machines like Tammany Hall and corruption like the Tweed Ring. Inventions by people such as George Westinghouse, Thomas Edison, and Alexander Graham Bell advanced technology. Native American resistance included the Battle of Little Bighorn and Chief Joseph's Nez Perce. The period saw immense industrial growth and wealth accumulation by