[1] In 1971, the issue of settlement proposals with the United Kingdom over Rhodesian independence became a point of discord within the Centre Party.
[5][6] Sadomba initially stayed in line with the party and supported the proposals, but changed his position after realizing he was an "obvious target" for blacks opposed to them.
[8] He resigned from the Centre Party in February 1972, explaining his reason by saying: "If by saying 'No' the African people are going to be united, then who am I go against this tide and cause the division which is responsible for our position today?
[11] In 1979, he joined the United African National Council, the party of Bishop Abel Muzorewa, the Prime Minister of Zimbabwe Rhodesia.
[12] In his letter of resignation from the party presented to Bishop Muzorewa (and a copy of which he gave to The Rhodesia Herald), he said that he could no longer continue to go against his conscience.