Photograph of a public demonstration of the Knights of the Ku Klux Klan held in Lima, Ohio, on August 4, 1923. A class of 3,000 men were initiated. After a period of decline during the Jim Crow years, the Ku Klux Klan (KKK) emerged again during the 1910s. This reversal was partly due to the Great Migration, when hundreds of thousands of African Americans moved from the South to the North, seeking jobs in the North's industrialized cities, including many cities in Ohio. In addition, many people in the U.S. became involved in reform movements during the first decades of the twentieth century. Some of these movements supported middle-class, Protestant values and believed that non-whites and foreigners were a danger to these beliefs. Becaus...