Armed forces Military conscription will be recognized as a human rights violation. Armed forces only needed as a super police force against terrorism and organized crime. Patriotism to a country replaced by respect for values involving the whole of humanity. I envision a time when children are no longer predominantly considered the property of their parents, condemned to 18 years of slavery. Rather they will be seen as people who just happen to have bodies that aren't developed yet, and who haven't learned all the ropes yet.
Children have a right to self-determinism as much as anybody else.
However, they might not have learned yet how to be responsible, how to act without hurting themselves and others, and they might not have any big overview of what makes sense to do in the long run. But, if given a chance, they are developing these qualities. They don't suddenly get them when they are 18 or 21, they develop them more and more along the way. From nature's hand children move into adolescence around the age of 13 or so. That is, they develop sexually and they start looking for ways of asserting their own determinism and responsibilities.