In many ways he shortened the Depression by putting a lot of people to work. But he may have also contributed to the depth (not the length) of the Depression by raising taxes and curbing government spending too early.
As far as prolonging the Depression, that was pretty much shut down by WWII and FDR didn't have any control over when that started.
He expected victory.
Happy Day's are Here Again
Franklin Roosevelt
By expanding the nine-member Court with up to six more Justices
Franklin D. Roosevelt
New DealAPEX
The New Deal
Relief, Reform, Recovery.
Eleanor Roosevelts husband is Franklin Delano Roosevelt.
Sara
The changes made during the Depression and World War II greatly expanded the powers of the Executive branch.
popcorn
Wallace
Nothing; he was already out of office when it started. It was president Franklin Roosevelt's New Deal that was first effective in fighting the Depression.
Delano
yes
James Roosevelt