Reasons for Australian Federation

Question: Outline the main reasons for Federation. What was the main reason?
Federation happened in 1901 when the six separate Australian colonies came together to form what is now the Commonwealth of Australia. It occurred for many reasons including: to unite the defence of Australia; to make uniform bank laws; taxes and tariffs resulting in better trade and communication between states; and to put the "White Australia Policy" into practise. Federation came about with the aid of many political leaders, federation lobby groups, many drafts of the constitution and the people of Australia…