Factors
Entities
Complete ControlInternal combustion engineFederal government of the United StatesCannonJulius CaesarDwight D. EisenhowerFossil fuelMotorcycleCarSteelGasolineBostonPatentAgricultureGeorge WashingtonWorld War IIEnergyUnited States CongressGlassblowingPhoeniciaUrban legendSteam engineKeroseneBoilerPay televisionShanghaiingCavalryGerman EmpireSteroid eluting sinus stentImperative programming

