Factors
Entities
Space explorationGuessingClark GableHerbert HooverMailBabe RuthHappy DaysIncome tax in the United StatesHarry S. TrumanDwight D. EisenhowerSatelliteGallonUnited States Postal ServiceGasolineIncome taxAstronautMinimum wageInternetWorld War IIFloridaUnited StatesPresident of the United StatesTed WilliamsVolkswagen BeetleGone with the Wind (film)Play Ball (manga)BaseballProject MercuryDrive-inHuman spaceflight

