Pedzisa mutsara unotevera: Achiramba chinzvimbo cheKabineti, Hanna akawana kugadzwa seneta kubva kuOhio mushure mekunge Sherman aitwa Secretary of State; akasarudzwazve neOhio General Assembly muna 1898 na1904. Pashure
Kuurawa kwaMcKinley muna 1901, Seneta Hanna akashanda pakuvaka mugero muPanama, panzvimbo pokumwewo muCentral America, sezvakanga zvambotaurwa. Akafa muna 1904, uye anoyeukwa nokuda kwebasa rake mukusarudzwa kwaMcKinley, nemhaka yemakatuni akasimba evanyori vemifananidzo vakadai saHomer Davenport, uyo akamunyomba somudzidzisi wezvematongerwe enyika waMcKinley.