In theory, rainwater is like distilled-water*, but it gets its compositions largely by dissolving particulate materials in the atmosphere especially the troposphere - when droplets of water nucleate on atmospheric particulates, and secondarily by dissolving gasses from the atmosphere.
Updated May 29, 2016. Franklin D. Roosevelt, the 32nd President of the United States, led the country both during the Great Depression and World War II. He was charismatic and innovative at a time when the United States needed exactly that kind of leadership.
Roosevelt defeated incumbent Republican president Herbert Hoover in November 1932, at the depth of the Great Depression. Energized by his personal victory over polio, FDR used his persistent optimism and activism to renew the national spirit.