Which enable an oligopoly to form within a market? costs of starting a competing business are too high. the government restricts market entry. no competition exists between producers. econ

Oligopoly is slightly different from a pure monopoly. While a monopoly means that there is only one producer dominating the market, oligopoly refers to how a few companies dominate the market between themselves.

In today's world we can see examples of oligopoly all around us. For example, the dominance of iOS and Android software on virtually all smart phones around the world. The dominance of Walmart and Costco in the United States etc.

How these form can be due to a number of factors including high costs of doing business or even government legislation.

in this way, as a created nation, france will probably use socio-economic reasons   at times do not take into account national economic, cultural, and social differences in protected industries. losing sovereignty, national independence.

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answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.