How did the smaller Mayan city-states defend themselves against the more powerful city-states? They traded valuable resources for protection.
They made military alliances with larger city-states.
They built walls around their cities to keep out invaders.
They avoided conflict by maintaining peaceful relationships.

What is the main subject of this map? a. world war i in europe b. nazi aggression in europe c. world war ii in europe d. europe during the cold war

What was the name given to the members of parliament during the english civil war? a. parliamentarians c. the roundheads b. the presbyterians d. the puritans select the best answer from the choices provided a b c d

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal.not approve this project because the prisoners are merely a population of convenience for the student.approve this project since the superintendent is the ultimate authority on what happens in his facility.approve this project but submit it for federal review.