In March 1978, Smith reached an accord with three African leaders, led by Bishop Abel Muzorewa, who offered to leave the white population comfortably entrenched in exchange for the establishment of a biracial democracy. As a result of the Internal Settlement, elections were held in April 1979, concluding with the United African National Council (UANC) carrying a majority of parliamentary seats. On 1 June 1979, Muzorewa, the UANC head, became prime minister and the country's name was changed to Zimbabwe Rhodesia. The Internal Settlement left control of the Rhodesian Security Forces, civil service, judiciary, and a third of parliament seats to whites. On 12 June, the United States Senate voted to lift economic pressure on the former Rhodesia.