Letter C is the correct answer.
A self-fulfilling prophecy is an unbased expectation (either positive or negative) of one person towards another person (or event) that leads this person to act or behave accordingly. In this case, a dyslexic person can read if he/she makes an extra effort to do so. However, his/her belief someone's false prophecy can lead him/her to become illiterate.
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The answer if B, less risk of the central gov. trampling citizens' rights.
When the Phoenicians got their trade, they got a profitable trade.