I think that one of the main ones most of the time is drought as we have such a dry and hot climate. But currently flooding is an issue, in Tasmania we just had the biggest flood since the 1921 floods (Look it up).
Northern parts of Australia are also prone to tropical cyclones
It's b if not try c but I'm 100% sure that it is b.
Actually this is False. Some north colonies had slaves in them.
It took away a lot of money and so it raised a lot of prices on products that you would need for everyday use.
