It's worth giving Dark Emu a (critical) read. It gathers numerous primary sources from early explorers which describe practices of cooperative harvesting, cultivation, and land management between indigenous tribes in Australia. They also had totemic moieties which governed who could conceive together within and between tribes, ostensibly to avoid in-breeding.
The agricultural revolution that spawned from the Indus valley civilisations were dependent on beasts of burden which were lacking in Australia. Though maybe with time something similar might have happened in Australia to, as it did in the Incan empire before it was destroyed by the conquistadors
The agricultural revolution that spawned from the Indus valley civilisations were dependent on beasts of burden which were lacking in Australia. Though maybe with time something similar might have happened in Australia to, as it did in the Incan empire before it was destroyed by the conquistadors