Baker presided over the U.S. military 's participation in World War I . He selected General John J. Pershing to command the American Expeditionary Forces , which he insisted act as an independent unit . He left office in 1921 and returned to BakerHostetler , the legal practice he co-founded . He served as an attorney in '' Village of Euclid v. Ambler Realty Co. '' , a landmark case that established the constitutionality of zoning laws . He was a strong supporter of the League of Nations and continued to advocate American participation in the League during the 1920s . Beginning in 1928 , he served as a member of the Permanent Court of Arbitration . He was a candidate for the presidential nomination at the 1932 Democratic National Convention , but the convention chose Franklin D. Roosevelt
1932 Democratic National Convention
1932 Democratic National Convention
Newton D. Baker