Both the Mayan and ancient Mesopotamian civilizations excelled in astronomy and mathematics
existed in desert environments
stopped enslaving their enemies
worked to grow maize and beans

        i'm fairly sure that the correct answers are 2 and 3.

        i used both my knowledge of world history and the process of elimination to obtain these answers. option 1 cannot be a possible selection because the mandate of heaven belongs to ancient chinese philosophical belief. option 4 sounds like it would benefit the region than detriment it. however, both 2 and 3 explain a potential reason for what could have contributed to the fall of the roman empire.

      hope this ! if i were you, i'd get a second opinion, because i haven't taken this course for a year. best of luck!

***websites that me understand the curriculum better last year are and ***

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.

it was the shinto. the answer is c.

i am 99% sure that the increase of goods was because of nafta nafta stands for the north american free trade agreement to lift tariffs