He was the head of the Food Administration during World War I. He became the Secretary of Commerce and encouraged businesses to regulate themselves. Hoover was a Republican known for his integrity who won the election of 1928. He had to deal with the Great Crash of 1929, which caused the Great Depression. He signed the Norris-La Guardia Anti-Injunction Act. His belief in "rugged individualism" kept him from giving people direct relief during the Great Depression.