Essays / The colonization of Australia: History essay [3]

Okay hi I need massive help!

I'm doing an essay on the colonization of Australia for History.

The topic sentence is; 'Was the colonization of Australia a good decision, or a poor decision that was made too quickly to solve a problem in England. Discuss.'

Okay I have written my intro and need help on explaining my evidence in body para 1. My evidence and topic is based of Trade and expansion... Please help???

Thanks with many regards,

Nuffa315