The Monroe Doctrine stated that any form of European intervention in the American continent would be viewed as a form of aggression and it would require the intervention of the United States.
The Roosevelt Corollary was coined to justify the military intervention of the United States in Latin America in protection of the former's economic interests. Latin Americans resented this unilateral claim of authority, and in 1907 the Drago Doctrine was incorporated into international law. Coined by the Argentinian Luis Drago, it prohibited armed interventions of any county to any country to collect debts.
I believe the reason for this would be geographical evolution. Different ecosystems cause the finches to evolve differently over time. Also, since the finches on the Galápagos Islands are closer to the one in South America, it is likely that finches from there (South America) could have moved to the islands, contributing to the evolutionary process.
Answer:
In addition to political motivation, the new emperor had financial motivation. The treasure fleet voyages cost Ming China enormous amounts of money; since they were not trade excursions, the government recovered little of the cost. ... For all of these reasons, Ming China stopped sending out the magnificent Treasure Fleet.
Explanation:
Southern Democrats is the correct answer.
It was the issue of slavery which mainly divided US into northern and southern states and further Democratic party into southern Democrats and Northern Democrats. The Southern Democrats were pro-slavery and thus challenged the Northwest Ordinance's prohibition of slavery by the late 1850s.