Conversation so far:
who was the president that served more than two terms
The only president to serve more than two terms was Franklin D. Roosevelt.
when was the third term for Franklin D. Roosevelt
In 1940 Franklin D. Roosevelt won the election for his third term.
was the third term the last term for Franklin D. Roosevelt
Four years later in 1944, Franklin D. Roosevelt ran again and became the only president to be elected to a fourth term.
can you tell me more about Franklin D. Roosevelt
However, Franklin D. Roosevelt was just a few months into his fourth term when he suffered a cerebral hemorrhage and passed away on April 12, 1945.

Question: why was the president able to serve so many terms
Self-contained rewrite: why was Franklin D. Roosevelt able to serve so many terms