<span> It moves by a few miles a year, following how the liquid iron under the earth flows</span>
The answer would be B, because there was more opportunity outside of what was the current U.S. Also Manifest Destiny drove the people to move the desire of what they wanted and what they dream was on the outside of what they currently knew as their own.
Hey! Your answer would be B, tourism.
Answer:
A. Warm air from the south rises
Explanation:
