I think is iron and machinery.?
Thomas saint created the sewing machine in 1790
The main way in which social scientist interpret the past is by looking
at huma interactions--how humans have evolved to deal and create things
like economies and social norms.
Hope it helped : )
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
Answer:
The population grew at faster rate, and people settled into communities.