Many of the Aboriginal nations occasionally allied Collaboration themselves to the British in order to conquer Conquering more land for their tribes , and just as quickly returned Arriving to a state of war Hostile_encounter against the British .

With the expansion Expansion of European settlement Statement , large amounts of land was cleared Emptying for farming Manufacturing , which resulted in Causation the destruction Destroying of Aboriginal food sources .

This , combined Cause_to_be_included with the introduction of new diseases such as smallpox , caused Causation resentment within the Aboriginal clans against the British and resulted in Causation violent Violence confrontations Hostile_encounter , coordinated by men such as Pemulwuy .

Debate Quarreling continued over the safety of the site and the long-term health effects Influence on the traditional Aboriginal custodians of the land and former personnel .