One of the major obstacles of Kennedy's campaign for the presidency was his "religion," since he was running as a Catholic, and Catholics faced a great deal of opposition in the US during this time.
Longitude measures the number of degrees EAST or WEST of the Prime Meridian which runs through Greenwich, England.
Lines of latitude run east-west around the globe and are used to measure distances NORTH and SOUTH of the equator.
The Battle of Britain was the turning point.