Answer:
convicts
Explanation:
Convicts were sent to Australia colonies because they were there to serve their sentence.
Stats:
From 1788 to 1800 there were about 164,000 convicts transported by 806 boats. Of the 164,000, English and Welsh convicts made up (70%), Irish (24%), Scottish (5%), and the remaining 1% from the British outposts in other countries. (Wikipedia)
