Short answers, pulled from the story.
Franklin Delano Roosevelt was born on the 30th of January 1882 and spent three years of schooling in Europe before he turned ten. This early exposure to German and French languages and cultures set him apart from most American politicians of his era.
Franklin Delano Roosevelt suffered a sudden illness in the summer of 1921 that left him permanently paralyzed from the waist down. The initial diagnosis was polio though modern medical studies suggest it may have been Guillain-Barré syndrome, and he spent years in a wheelchair hidden from the public eye.
Franklin Delano Roosevelt launched the New Deal which included the Civilian Conservation Corps and the Tennessee Valley Authority to provide relief and recovery. He also signed the Social Security Act on the 14th of August 1935 to create a system of economic security for the elderly, the poor, and the sick.
Franklin Delano Roosevelt obtained a declaration of war on Japan and subsequently on Japan's Axis partners Nazi Germany and Fascist Italy after the attack on Pearl Harbor on the 7th of December 1941. He implemented a Europe first strategy and initiated the development of the first atomic bomb to lead the Allies against the Axis powers.
Franklin Delano Roosevelt ordered the internment of Japanese Americans following the attack on Pearl Harbor which resulted in the forced relocation and incarceration of over 120,000 people. He also attempted to expand the Supreme Court in 1937 through the court packing plan which failed to pass but allowed him to appoint seven of the court's nine justices by 1941.
Franklin Delano Roosevelt's marriage to Eleanor Roosevelt began in 1905 as a political partnership rather than a romantic one due to his extramarital affair with Lucy Mercer discovered in 1918. Eleanor refused to live with him again in 1942 and they remained apart until his death while she established a separate home in Hyde Park at Val-Kill.