Why didn't Americans know about the Code Talkers for so long?(1 point) Responses Their information was lost after the war Their information was lost after the war It was classified information until 1968 It was classified information until 1968 The true impact of their contribution wasn't understood until many years later The true impact of their contribution wasn't understood until many years later The Code Talkers wanted their information to be kept private

It was classified information until 1968