A switchback was used in mountainous territory to gain elevation. Basically, a train could run uphill in one direction through a switch and onto a stub ended track. The switch would be thrown and the train would then back up the next leg of the climb.
As the years went on, John F. Kennedy, a Democrat, served three terms (six years) in the House of Representatives, and in 1952 he was elected to the US Senate. Soon after being elected senator, John F. Kennedy, at 36 years of age, married 24 year-old Jacqueline Bouvier, a writer with the Washington Times-Herald. Unfortunately, early on in their marriage, Senator Kennedyâs back started to hurt again and he had two serious operations.
Before the ratification of the 22nd Amendment, Franklin Delano Roosevelt was elected to four terms in the White House in 1932, 1936, 1940 and 1944. Roosevelt died less than a year into his fourth term, but he is the only president to have served more than two terms.hile the 22nd Amendment limits presidents to two full terms in office, it also allows for them to serve two years at most of another president's term.