John F. Kennedy's goal was that the United States could land a man on the moon and return him safely to Earth before the end of the 1960's as part of the space race.
The second alternative is correct (B).
Governors are elected for four-year terms, such as the president, and have the power to govern states in an executive way. Each state has its constituted rules, but governors usually have the power to veto laws that they see as inconvenient.
In short, today's governors have far more power than the first governors of US history.