Russia Ukraine war, page-36657

"You forgot to mention that Australia was built on slaves, black and white alike. No cost labour."

Small elements of truth but in essence quite untrue historically .
As they said - Australia rode on the sheeps back" and although there were some underpaid /unpaid aboriginals most of the workforce was settlers or employee and paid .
Then Gold had a huge effect in WA and in Victoria and that involved no slavery .
Convict labor in Oz was pretty short lived and men went ticket of leave pretty quick to become near normal citizens when it was here .
The kanakas in Qld but too fairly minor in the duration .

FACT CHECK - untrue , Oz was built on hard work and good resources in the main