<prompt> Ronga mhinduro kumubvunzo uyu wakaoma kunzwisisa: Roger O. Egeberg akanga ari Mutevedzeri woMunyori weHutano neZvinhu Zvesayenzi mukati mokutonga kwomutungamiri uyo akashanda mukati mamakorei?  <response>: 1969 kusvika muna 1974 