Ok, a government drafts some of its residents, against their will, to fight and die in a war that it thinks will benefit its population overall. This seems to be acceptable to typical people if the war is popular enough (look at the vitriol against conscientious objectors during the World Wars).
Many governments abolish conscription over time because citizens precisely don’t agree with that (as of 2011, countries with active military forces were roughly split in half between those with some form of conscription or emergency conscription, and those with no conscription even in emergency cases—http://​​chartsbin.com/​​view/​​1887)
Ok, a government drafts some of its residents, against their will, to fight and die in a war that it thinks will benefit its population overall. This seems to be acceptable to typical people if the war is popular enough (look at the vitriol against conscientious objectors during the World Wars).
Many governments abolish conscription over time because citizens precisely don’t agree with that (as of 2011, countries with active military forces were roughly split in half between those with some form of conscription or emergency conscription, and those with no conscription even in emergency cases—http://​​chartsbin.com/​​view/​​1887)