Will upvote every answer! multiple choice question!

original jurisdiction refers to

a. the supreme court authority to hear a case for the first time

b. the supreme courts authority to hear a case from a lower court

c. a lower courts authority to hear a case from the executive branch

d. a lower courts authority to hear a case from legislative branch

the Supreme Court’s authority to hear a case for the first time.

that’s true, tatiana prouskouriakoff established that the inscriptions were primarily historical.   they recorded events in the lives of mayan rulers and their families.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.