Factors
Entities
Bird migrationGrover ClevelandLyndon B. JohnsonRacial discriminationFederal government of the United StatesGerald FordConscription in the United StatesGeorge H. W. BushHarry S. TrumanTheodore RooseveltFranklin D. RooseveltDwight D. EisenhowerJimmy CarterVietnam WarRichard NixonInflationExecutive orderRonald ReaganWorld War IIJohn F. KennedyBill ClintonWhite HouseBarack ObamaPresident of the United StatesThe ItemInternment of Japanese AmericansBosnian War

