Most nations in the world today have

market economies
command economies
mixed economies
traditional economies

Is karma the same as destiny, in the sense that everything that happens to you is predetermined? do you believe that "what goes around comes around," and if so is this the same as karma? does everyone get what they deserve, in the end?

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

Describe the geography of the nile valley . how did this geography affect civilizations that emerged in the nile valley