The observation that countries with open trade policies restrict migration and vice-versa speaks to an understanding that migration is affected by ______.

Which of the following countries has no effective political parties?

a. Saudi Arabia b. France c. Russia d. Brazil

Which of the following is a difference between communism and socialism, as described by the text?

A. Under communism, the government manages the economy completely but does not attempt to provide for people's basic needs; under socialism, the government does not manage the economy completely, but does attempt to provide for people's basic needs. B. Under communism, the government assumes total management of the economy, whereas under socialism, the government does not try to manage the overall economy. C. Under socialism, the economy operates mainly through private transactions, but under communism, the government owns a number of major industries and tries to provide for people's basic economic needs. D. Under socialism, the government owns some firms, but under communism the government does not own any major assets. E. Under socialism, the government owns more industries than a communist government does, but it provides less direct benefit for individuals' welfare.