The reliance could be seen on how we acquire our military draft.
For example, countries such as Russia and south Korea implemented a mandatory military services for all adult men. (they're require to served at the military for around 1-2 years).
United states on the other hand, does not implement such mandatory military draft. All of our forces were acquired through voluntary methods without government force.
Since the nature of war has changed, voluntary method is more than enough since war that conducted on modern time would most likely relied on mass destruction weapons or advanced vehicles.
B. <span>It was weak militarily, but it was a Golden Age for the economy and the arts.
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President Abraham Lincoln's Ten-Percent-Plan
The myth of the Middle Ages as a "dark age" does not lie in the fact that things declined markedly after the fall of Rome—they did. The Middle Ages is known as a"dark age", imagine how life was in that time . It was basically a completely chaos , things got better though ("the renaissance ").