Why did they cut away the hard, solid rock on the ocean floor that formed between the landmasses over the last 200 million years?

How would europe benefit economically from greater unity

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.

What did the ratification of the 18th amendment represent?