sentences:  In all, 24 British infantry regiments served in the Australian colonies.Each of the Australian colonies gained responsible government between 1855 and 1890, and while the Colonial Office in London retained control of some affairs, and the colonies were still firmly within the British Empire, the Governors of the Australian colonies were required to raise their own colonial militia.To do this, the colonial Governors had the authority from the British crown to raise military and naval forces.