<prompt> Feleletša polelo ye e latelago: Tumelelano yeo e be e hlalosa thulaganyo ya go fetišetšwa ga moela, yeo e bego e tla feleletša ka go fetišetšwa ka mo go feletšego ga naga le meago ka moka yeo e lego tikologong ya moela go Panama. Mafelelo a kapejana a tumelelano ye e bile gore  <response>: Canal Zone e ile ya kgaotša go ba gona ka October 1, 1979. Mogato wa mafelelo wa kwano o ile wa phethwa ka December 31, 1999. Ka letšatši le, United States e ile ya tlogela go laola Panama Canal le mafelo ka moka ao a bego a kile a ba Tikologo ya Panama Canal. 