Oligopoly is a state of limited competition, in which a market is shared with a small number of producers or sellers. The most clear example of this is the second option.
In the smarphone business, the operating system market is dominated by IOS and Android and it's almost impossible for a new software provider to enter the marker and be successful at it.
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Idk. So i don’t know the answer to the question because i hav ethe same question
Answer:
<em>IT IS UP TO EVRY PERSON IN THE WORLD WHO HE OR SHE USES ANY RESOURCES FOR DOING, A TEST BUT THE REAL HAPPINESS AND GREATNESS COMES FROM HEART THAT ,TIME WHEN A PERSON DOES HIS TEST BY HIS OWN EFFORTS AND HARDSHIPS .</em>