Which of the following cultural advancements best set apart the post classical era from any time before it

Why was the monroe doctrine necessary?

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

Why was the bill of rights so important to new york and virginia