Which situation best illustrates the barter system of exchange?

The christians in jerusalem met in the catacombs for their worship service

What was the result of the america's failure in vietnam

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.