1. what theories are there about the mayan civilization disappearance?

one by one, the classic cities in the southern lowlands were abandoned, and by a.d. 900, maya civilization in that region had collapsed. the reason for this mysterious decline is unknown, though scholars have developed several competing theories

explanation:

all of the following apply except for (a. excessive credit on real estate resulting in defaulted loans.

in 1819, panic swept the country due,in part, to the rapid expansion of american manufacturing during the war of 1812 and the distress caused by the post-war british competition. the rapid expansion of american farming was another factor.

explanation:

china has confucianism thats everywhere in asia but it isn't really a religion.