North and South Korea have grown apart as a result of their vastly differing ideologies. North Korea is a communist country with very strict restrictions on the movement of its citizens. The North Korean regime is well-known for its cruelty. South Korea, on the other hand, is a democratic country with an open-market economy. In a nutshell, both North and South Korea have radically different political and economic systems. They have been two nations for over sixty years.
Great Britain made the stamp act, and the townshend act, the quartering act, ect. But it only applied to the colonies so the colonists felt that it was unfair because they had no one to represent them in Great Britain, King George wouldn't repeal any of these laws and it led to the colonists dressing up as Indians and emptying the ships of the tea into Boston Harbor (Boston Tea Party) and the Boston Massacre, and eventually led to the revolutionary war.
The constitutional convention was held in Philadelphia, Pennsylvania. The constitution is the Law of the land.