Write an informative, research-based essay that explains what factors contributed to the escalation of the Cold War. Develop your topic with properly cited, relevant support in the form of facts, definitions, concrete details, and quotations.

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.