Answer:
I believe it is the last one because I learned about this in seventh grade and the mayans were actually one of the first civilizations to create a 360-day year. forgive me if im wrong
Civil wars broke out
Tensions between the super powers caused tensions in other countries who relied on the super powers, for trade, and support, also for countries politically dies to these countries.
:) hope it helped
It would be the "Ninth Amendment" that states that the rights in the U.S. Constitution are not the only rights that citizens possess, since the Founders wanted many rights to be reserved for the people and the states.
