 At the 1946 election, Chifley was re-elected with a slightly reduced majority – the first time that an incumbent Labor government had won re-election.The war had ended a month after he took office, and over the following four years his government embarked on an ambitious program of social reforms and nation-building schemes.These included the expansion of the welfare state, a large-scale immigration program, and the establishment of the Australian National University, ASIO, and the Snowy Mountains Scheme.