What was the sun never sets in the british empire ?

"The sun never sets on the British empire" is a saying that describes the extensive empire that the British had. The British conquered countries all across the world. The sun would never set on the British empire because the British occupied most of the Earth, therefore the sun could "not set on the British empire."

high entry costs prevent new producers from entering the market.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.