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.
What do you mean colonies? You mean the 13 colonies?
Answer: He came up with the short stabbing spear and the long shield
Explanation:
Before Shaka Zulu came to prominence, the tribes in Southern Africa at the time fought with long spears and short shields. Each side would stand apart from the other and throw their long spears to try to kill as many of the other ones as they could.
Shaka Zulu decried this method and came up with a short stabbing spear and a long shield. With the long shield made of cow skin, Zulu warriors would be able to hide from the spears thrown by their enemies and then when they ran out of spears, Zulu warriors would attack them and use shot stabbing spears which were made for close combat, to defeat them.
The answer to this question is option B because He ordered the constructions of buildings around the City of Rome
