MERCOSUR is an abbreviation of "Mercado Comun del Sur": common market of the South America: most of the eastern South American coutries are members of this common market.
It's a trade block of countries in South America which promotes free trade and free movement of people.
B. rising prices, rejection of his vice president, and his wife’s death
Your answer is B. outback PLEASE mark brainliest if I helped! :)