The unwritten constitution includes the practice of judicial review. Judicial review is the idea that the actions of the legislative and executive branches of the United States government are subject to review by the Judicial branch!
Answer:
The First Continental Congress, which was comprised of delegates from the colonies, met in 1774 in reaction to the Coercive Acts, a series of measures imposed by the British government on the colonies in response to their resistance to new taxes.
It should be either one or four. My gut instinct is with one though.
