The most immoral law a nation-state can make is one that coerces an individual into taking another individuals life. In the issue of conscription, it is immoral for a nation-state to use their monopoly on coercion to force an individual into service and then place them in a position where they may be required to take the life of another individual.
The nation-state does this for their own perpetuation, glory and selfish interests. It can be argued that moral clarity of any issue is lost once it becomes political and falls into the vehicle of state power. The original
Defence Act of 1903
(link is to current legislative form) contained language that prohibited the government from forcing conscripts to serve outside of Australia. This was a very moral law.
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