Final answer:
Under William and Mary, a constitutional monarchy was established in England, where the power was shared between the monarch and the elected Parliament.
Step-by-step explanation:
Under William and Mary, a constitutional monarchy was established in England. This type of government involves a monarch who acts as the head of state, but the power is shared with a constitution and an elected parliament. Parliament was given more authority, and laws could not be suspended by the monarch. The source of law was now in the hands of Parliament.