The statement that best explains the development of constitutional monarchy in England is:
The idea that a monarch’s powers should not be absolute was first made law in the Magna Carta, and with the Glorious Revolution it became the basis of England’s monarchial system.
This statement captures the essence of the transformation from absolute monarchy to constitutional monarchy, emphasizing the foundational role of the Magna Carta in limiting royal power and the subsequent influence of the Glorious Revolution in solidifying these principles into law.