While men like Garfield strolled the aisles of Machinery Hall in Philadelphia, marveling at the greatest inventions of the industrial age, George Armstrong Custer and his entire regiment were being slaughtered in Montana by the Northern Plains Indians they had tried to force back onto reservations. As fairgoers stared in amazement at Remington’s typewriter and Thomas Edison’s automatic telegraph system, Wild Bill Hickok was shot to death in a saloon in Deadwood, leaving outlaws like Jesse James and Billy the Kid to terrorize the West.