Diệm's visit was a highmark in relations between Australia and South Vietnam. Over time, Diệm became unpopular with his foreign allies, who began to criticise his autocratic style and religious bias. By the time of his assassination in 1963, he had little support. Australia later sent troops to support South Vietnam in the anti-communist fight, but the bipartisanship evaporated during the mid-1960s as the ALP began to sympathise with North Vietnam and opposition to the Vietnam War grew. The ALP later withdrew support for and refused to accept refugees from South Vietnam after winning office, but on the return of the centre right Liberal-National coalition to power in 1975, Vietnamese refugees were allowed to resettle in Australia in large numbers.