sentences:  Further reorganisation occurred and in 1874 the infantry units of Perth, Fremantle and Guildford were amalgamated administratively to form the 1st Battalion, Western Australian Volunteers.More changes came the following year when promotions for officers were tied to examination performance, and field and barracks training was made available for all ranks.Corps were brought together annually, normally over Easter to practice manoeuvres, during which smaller units were merged with larger units; training became more organised and professional instructors were enlisted.