As a journalist, orator, politician, historian, and diplomat, Claude Bowers defended democracy locally, nationally, and internationally. Through his writings and as editor for newspapers in Indianapolis, Terre Haute, and Fort Wayne, and New York, Bowers supported liberal reform. Nationally, Bowers was an outspoken proponent of William Jennings Bryan's populist ideas, Woodrow Wilson's progressivism, and Franklin D. Roosevelt's New Deal. Internationally, he served six years as ambassador to Spain followed by fourteen years as ambassador to Chile. Harry Truman described Bowers as "one of the most able public men of his generation."