Proponents of a command economy argue that it promotes:

A regional trade agreement involves:

a. Most, if not all, the nations in the world. b. several nations, usually trading partners, with a common agenda or geographically linked. c. nations that agree to trade only with nations in their region. d. a region of the world with not only trade issues but also political cohesiveness.

Which are friendships which cause the development of in-groups and out-groups?

a. unions b. fraternities c. vertical-dyad linkages d. group contributions