What is the name of the labor system that developed throughout the south after the civil war kept poor blacks and white working in agriculture? antebellum indenturing sharecropping convict lease system

Which statement best describes a significant cause of world war ii? o a. the economic boom that followed world war i allowed countries to build up huge militaries. o b. the treaty of versailles, which ended world war i, left lasting resentments in many countries. o c. the rise of imperial states in asia caused european powers to unite for their common defense. o d. the league of nations encouraged european states to form secret military alliances.