In the 1920's and 1930's some americans used this statement to justify a policy of a) collective security b) isolationism c) mercantilism d) imperialism

Which of the following lists correctly orders the earth's layers from its innermost layer to its outermost layer? a. mantle, inner core, outer core, crust b. crust, inner core, outer core, mantle c. crust, mantle, outer core, inner core d. inner core, outer core, mantle, crust