Many command economies have changed their economic systems. which of the following countries is still a command economy today? a: ussr b: north korea c: vietnam d: china

What principle guided the organization of the united nations (un)?

How did cultural change create social conflict?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.