<span>B.
The colonists were thriving and the Natives were expected to serve as laborers, until they were diseased and African slaves were brought in</span>
A. Developing a vaccine to prevent Polio. I just took the test :)
The Roosevelt Corollary was an idea by president Theodore Roosevelt that was based on the Monroe Doctrine. Basically, it established that the United States would be like a police force that would meddle in Latin American politics in order to prevent escalation or support a side in a war or something similar, instead of having Europe meddle in their affairs.
Answer: Religion is the adherence to codified beliefs and rituals that generally involve a faith in a spiritual nature and a study of inherited ancestral traditions, knowledge and wisdom related to understanding human life.