The exact date is unknown but between 550 bc and 539 bc.
Answer:
A is Egypt and B is Mesopotamia
Explanation:
Along with ancient Egypt and Mesopotamia it was one of three early civilizations of the region comprising North Africa, West Asia and South Asia, and of the three, the most widespread, its sites spanning an area stretching from northeast Afghanistan, through much of Pakistan, and into western and northwestern India.
For the Constitution to take effect, nine states required to ratify it, according to Article VII. The state conventions served other purposes in addition to the legal requirements for ratification. During the Philadelphia convention, the Constitution was drafted in complete secrecy.
