What social structures and beliefs did indigenous cultures possess before Europeans arrived in Oceania? please give an actual answer and please no links or keyboard spam

Australia...

They maintain single kind of adaptation such as hunting and gathering. In present some scholars argue about it but evidence and historical ruins are still present a d prove they use agricultural and aquaculture. This finding raises questions regarding that traditional viewpoints of present...by the time of European settlement in 1788 The Aboriginal people had occupied and utilized the entire continent and adopted large range of ecology and climate conditions. From wet temperature to tropical rainforest and extremely arid deserts. Population densities the ranged from roughly 1 to 8 square miles (2.6-20.7 square km) per i fertilize riverine and costal areas to more than 35 square miles (90 square km) per person in the vast interior desert. Estimate of Aboriginal Population varsity from 300, 000 to more than 1, 000, 000. They use more than 200 languages to spoke. They sometime refers Europeans as " tribes". Aboroginial people are hunted gathers people who grew no crops and did not domesticate animal so they were directly depend on their natural environment...

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