When fighting broke out between north and south vietnam in 1974, the united states a. established a demilitarized buffer zone to separate the two sides. b. honored the paris peace accords by not sending troops back to support south vietnam. c. sent troops to prevent the north vietnamese from capturing saigon. d. provided supplies and training to south vietnam even as american troops left the country.  

Brazil trades with the united states more than it does with any other country. industrially, the private sector has made brazil one of the most advanced countries in latin america, with massive investment taking place since 1996. still, over 1 million people live in state-owned housing and millions more are covered by government operated health care. these facts show that brazil has a a) mixed economy. b) market economy. c) command economy. d) traditional economy.