 Complete the following phrase:  During the New Zealand Wars of 18461886, settler militia and Māori allies in a variety of clothing styles served alongside the British Imperial forces who wore their red and blue undress uniforms until plain dark blue field uniforms were adopted after 1860. Uniform consisted of blue shirt, a cap similar to that worn by sailors, and any kind of trousers. Māoris served throughout the wars in the 1860s, generally in tribal groups, or as members of the European volunteer forces. In the later stages of the 