please make it to short sentence? "Open warfare took place as the natural owners of the land fought to retain their spiritual base – the land, and their way of life. Aboriginal weaponry was no match for firepower and massacres ensued. Introduced diseases, for which the Indigenous population had no immunity, took a terrible toll as in some cases whole clans succumbed and died. As the land was taken up and settled, Indigenous people were crowded onto reserves and missions."

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