Probably about the same as Scottish convicts sent to the colonies (before the US became the US).
http://www.google.com/search?q=british+convicts+australia&oq=british+convicts+australia&aqs=chrome..69i57j0l5.5704j0j7&sourceid=chrome&espv=210&es_sm=119&ie=UTF-8
what impact did British convicts have on Australia?
4 answers
Can i write that they helped establish Australia socially, politically, and economically? with supporting reasons
Yes.
okay, thank you