The then king of England, john, agreed to the Magna Carta, known as the charter of liberties. The greater charter as many called it, placed king John and other subsequent sovereigns in England, under a rule of law.
Many generations of Englishmen hail the magna carta as one of the major achievements in their history, which serves as a symbol of freedom from oppression.
the USA desired to be the most powerful nation around the world and they tried to conquer what Spaniards had. so they wanted more land and more wealth. Hope this helped you!