Emperor Constantine made the religion, Christianity, a new, legal religion in the Roman Empire.
Egypt because Mesopotamia is located in Asia.
Egypt is located in North Africa.
I think the text is called the Tanakh, but they also have some other books as well.
In general yes, the states honored their agreement since the Articles of Confederation demanded practically nothing from the states--meaning that it wasn't hard for the states to uphold their end of the bargain.
