Which is the enlightnment idea that explained that government and its people form a contract and that a government that breaks its contract should be replaced?

What is not related to the money supply during the gilded age

Why do many scientists suppose the land bridge theory of migration?

What are the vedas? a. regions ruled by a vedic king b. a group of female hindu saints c. a tribe native to north india d. a collection of ancient hindu scriptures e. the autobiography of a saint