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.
FDR was the first and only president to serve more than two terms. Passed by Congress in 1947, and ratified by the states on February 27, 1951, the Twenty-Second Amendment limits an elected president to two terms in office, a total of eight years.n that year, President Franklin Delano Roosevelt, who had steered the nation through the Great Depression of the 1930s, won a third term and was elected in 1944 for a fourth term as well.