Republicans gained further support when the British government attempted to introduce conscription to Ireland in 1918.
France was the first modern nation state to introduce universal military conscription as a condition of citizenship.
New Zealand followed suit, with Canada also eventually introducing conscription.
Most of the other major combatants had introduced conscription to replace the massive casualties they were suffering.
But after the fall of France in 1940, Canada introduced conscription for home service.
The government wanted to introduce conscription, and sought a coalition to pursue this policy.
It was the first time that legislation had been passed in British military history introducing conscription.
The British authorities considered introducing conscription, but instead adopted a 'quota' system.
Menzies called for "all out war", increasing Federal powers and introducing conscription.