The answer is A, to restore the South to the Union as quickly as possible
Following WWI in North America and most of Europe there was a recession that led to economic decline. The recession in the United States did not last long and was followed by nearly a decade of major economic growth that made the United States the most powerful economy in the world.
The Monroe Doctrine simply stated that the west will not interfere with the affairs of Europe as long as they didn't interfere with us. This enabled us to be able to deal with the smaller countries and help them reform their government. The Monroe doctrine allowed the United States to become "protectors" of the smaller countries in the western hemisphere.
Answer:
Spain: Had explored Mexico, Cuba, The Florida Peninsula, and more or less southern half of the Western United States, including modern day California, Southern Nevada, Arizona, New Mexico and Texas.
France: French fur traders where great early explorers in North America. They mostly settled in Quebec, alongside the Saint Lawrence River, and explored surrounding region. They also explored the Midwest, following the Mississippi and Missouri Rivers, from the Great Lakes, to New Orleans, a city which the French founded.
England: the english settlers and explorers mostly concentrated on the Eastern United States and modern-day Ontario