Answer:Manifest Destiny is defined as a 19th century American belief that the spread of the United States across the continent was inevitable. An example of Manifest Destiny is the belief by President Polk's administration that the U.S. should expand throughout the continent.
"<span>C. She was able to answer most students' questions"" is incorrect because student should be singular. It should </span>be "<span>She was able to answer most of the students' questions.</span>"