Answer: B. Firms earn economic profit.
Explanation:
<span>The president that is responsible for initiating the conflict with the mexico and even the great Britain which also succeeded in negotiating treaties with both parties is James Knox Polk. He served as an American politician and also the 11th president in the United States and was known to cause a significant change in the United States in his presidency.</span>
There was a group of young european workers that came to America from early 17th to early 20th century. These inmigrants would get a contract to work for an american employer during a time period, usually between 1 to 7 years. They didn't get any wages for their work, the employer paid for their subsistance and their passage to the country, but that also meant that he could restrict some of their activities, they weren't completely free. After their contract expired, they were allowed to stay in the country and sometimes they would get a small parcel of land. They were called the Indentured servitude.
The correct answer is: "True".
Erosion is the continuous deposition of land. The coast is constantly exposed to erosion by the sea. Besides protecting areas for human habitation, seawalls help protect the coastline from erosion. However, they receive all of the force from the sea. This does affect its structure and will eventually need constant maintenance throughout time. This normally leads to high costs involving these activities.
