["HISTORY \/ General","Progressivism (United States politics)","United States;Politics and government;1865-1933.","World War, 1914-1918;United States.","GENERAL","General Adult","HISTORY \/ General","History\/World","Non-Fiction","Progressivism (United States politics)","U.S. HISTORY - PROGRESSIVE ERA","United States","United States;Politics and government;1865-1933.","World War, 1914-1918;United States."]