Curtin's interest in social issues and the plight of the working class led him to become actively involved in the labour movement and he joined the Victorian Socialist Party in 1906. He soon became known as an eloquent and inspiring speaker and this ability enabled him to unite the people of Australia in a way unprecedented then and unsurpassed since.
John Curtin was just beginning his working life as Australia became a Federated nation. Despite moving away from his Irish Catholic background, he was evidently influenced by it and by the poverty of his upbringing to realise that Australia was not an equal society, and that the major task of a national government was to govern for the good of all the people. In 1917 he moved to Perth as editor of the "Westralian Worker". While living in Western Australia, he developed a realisation that Federation disadvantaged some states. He believed that some of these weaknesses occurred because the Constitution had not been followed closely enough. He never lost his faith in the spirit and intention of Federation
.He first entered politics in 1928 as the Member for Fremantle in the House of Representatives, but his term was cut short when Labor was