 Complete the following phrase:  In 1964, growing white dissatisfaction with the ongoing negotiations played a major role in the ousting of Winston Field as Prime Minister of Southern Rhodesia. Field was succeeded by Ian Smith, chairman of the conservative Rhodesian Front Party and an outspoken critic of any immediate transition to majority rule. Smith, the colonys first Rhodesian-born leader, soon came to personify resistance to liberals in British government and those agitating for change at home. In September 1964, Smith visited Lisbon, where Portuguese prime minister António de Oliveira Salazar promised him maximum support if he should declare independence. Aside from a common interest in maintaining security ties in southern Africa, Salazar expressed a great deal of anger at Britains refusal to support Portugal during the 