In economics there are four different types of market structures. They are as followed:
1) Perfect competition- This allows for businesses to compete against each other for consumers.
2) Monopoly- This is when one business or corporation corners a market. This occurs when a business is the only supplier of a good/service.
3) Oligopoly- This is when a small amount of businesses control a market/product.
4) Imperfect competition
In your question then, the correct answers are : Monopoly, perfect competition, and oligopoly.
There seemed to be two Americas because each side was very different. The east was more urban. It had more cities. The west was more rural and agricultural.
<span>Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the </span>United States into World War<span> I.</span>
helped the Aztec farm more productive - chinampas
helped the Inca travel long distances and communicate with their neighbors - rope bridges
helped the Maya view astronomical phenomena such as eclipses with the naked eye - pyramaid at Chichen Itza
Explanation:
racial segregation was a system derived from the efforts of white Americans to keep African Americans in a subordinate status by denying them equal access to public facilities and ensuring that blacks lived apart from whites
