Answer: A
Explanation: Byzantine Empire and the medieval society in Europe was the existence of a dominant religion which was Christianity. At the time of the rule of the Romans, Christianity was legalized by Emperor Constantine.
January 1
40 days after Easter Sunday
August 15
November 1
December 8
December 25
Separation of Powers is the term described above.
If you deleted your first time of you asking it i had said the answer i think is B.
A. b. e.
demands goods ( any item they buy)
makes decisions based on preferences (preference of brand of item)
weighs costs and benefits (they see which is a better bargain for what they're getting)