Most countries have their own military to protect and defend their citizens from danger and establish peace. That’s not a common job as any other job. A soldier must have courage, discipline, integrity, loyalty, lawfulness, and much more essential survival instincts. It’s quite a hard job. That’s why it’s called a great sacrifice. Every country selects or volunteers the best youth spirit to their own military services. Normally most countries recruit their youth as soldiers…"Top 5 countries with lowest military recruitment ages"