Which of the following is not something that the maya and aztec cultures had in common?

Which portuguese explorer discovered brazil

Political rights for women grew most rapidly on the western frontier primarily because (1) the settlers were influenced by native american indian societies (2) women greatly outnumbered men in the west (3) pioneer life often required men and women to share responsibilities equally (4) immigrants settling in the west brought ideals of gender equality from europe

What do historians call the political,social,or cultural circumstances surrounding an event?