The main reason Australia's economy collapsed right before the Great Depression began is because the government made poor decisions. Many factors led to their economy collapsing but they can be summed up by the government made poor decisions.
I hope that helps u out!
:)
The first answer is simply the Aztec. The second question is Tenochtitlan, and floating gardens.
The family was important because land was given to people according to how big and how famous the family was. The more powerful and bigger the family the more they had. That's why they always stuck together and had close knit families because it meant their prospering.
The Sioux agreed to settle within a reservation in Black Hills of the Dakota territory in exchange for peace.
The six extermination camps were Chelmno, Belzec, Sobibor, Treblinka, Majdanek and Auschwitz-Birkenau. Auschwitz and Majdanek death camps also used extreme work under starvation conditions in order to kill their prisoners.