How does Milton "justify the ways of God to men" in Paradise Lost?

The purpose of Paradise Lost by, John Milton, is to “justify the ways of God to men.” Milton uses the Bible as evidence to support his claim and explain the natural understanding of life as it is seen by many people. He uses Satan and Adam and Eve’s life journey to explain the ways of God.
To begin Paradise Lost, Milton tells of Satan’s banishment from Heaven. He and his brigade have plotted war against God and are now doomed to billow in the fiery pits of hell. Milton says that one will “dwell in adamantine chains and penal fire” if he defies God. This is exactly what happened to Satan when he defied God and anyone who defies Him will have to suffer this torture.
Hell has “no light, but rather darkness served only to discover sights of woe.” It is a “region of sorrow, doleful shades, where peace and rest can never dwell, hope never comes…but torture without end still urges.” Hell is also described as a place of “lost happiness and lasting pai...