Answer:
it should be D. or B hope im right good luck
<span>the answer is Mesopotamians</span>
Answer:
Gold rush and mining opportunities (silver in Nevada)
The opportunity to work in the cattle industry; to be a “cowboy”
Faster travel to the West by railroad; availability of supplies due to the railroad.Explanation:
Answer:

Explanation:
➤ When a few companies dominate the market, it’s called Oligopoly
An Oligopoly is referring to when a few companies dominate, overpower or become more successful or larger than other companies or markets. It does not matter how powerful the dominated or dominating companies are. Oligopoly is simply referring to a few companies. Although only a few firms dominate, it is possible that many small firms may also operate in the market.
- Mordancy