Which idea best explains why Federation was a major change for Australia in 1901?

Which idea best explains why Federation was a major change for Australia in 1901?

• AIt changed Australia from six separate self-governing British colonies into a federated nation.Correct
• BIt made Australia part of the United States.
• CIt divided one Australian colony into six separate colonies.
• DIt ended all forms of self-government in Australia.

Because Australia was made up of six separate self-governing British colonies before 1901, Federation was significant because it brought those colonies together into a federated nation.