In my opinion, the Lend Lease Act is an even great contribution by Roosevelt than anything, including the New Deal.
The Lend Lease Act enabled the US to get on a war footing prior to the United States' entry into World War II.
Without the Lend Lease Act, the US would have been attacked in December of 1941 and would have found itself without the tools needed to respond.
The US likely would have lost to Japan in the Pacific as a result.
A three-branch government was retained in the U.S constitution.
Pennsylvania decided to treat the “savages” with dignity and respect. His critics said it would never work. Native Americans were encouraged to come to Philadelphia if they had grievances. For almost 75 years, from 1682 to 1755, Pennsylvania was the only colony that didn't have an army but had peace.