Answer:
A. Threat of new entrants will be low
Explanation:
Micheal Porter's Five Forces is a framework designed for the sole purpose of analyzing a company's competitive environment. Based on this information it can be said that the cumulative learning and experience effects of a company will most likely affect these forces by making the threat of new entrants extremely low since it will make competing with the already established company extremely hard and lead to almost certain failure for the entering company.
Well, they can choose as long as they want. But in this case the best answer would life. Does that help?
The end of the Han Dynasty was the result of a series of revolts by palace eunuchs who had begun to grow in power.