Sihanouk was headed steadily for a collision with the right. To counter charges of one-man rule, the prince declared that he would relinquish control of candidate selection and would permit more than one Sangkum candidate to run for each seat in the September 1966 National Assembly election. The returns showed a surprising upsurge in the conservative vote at the expense of more moderate and left-wing elements, although Hou, Hu, and Khieu were reelected by their constituencies. General Lon Nol became prime minister.