Answer:Elvis Presley
Explanation: He was regarded the most significant cultural icons of the 20th century , also he eas regarded as "the king of rock- and- roll" or "king".
Well one push factor would be they wanted to escape religious and political prosecution. Another is the Potato Famine. This was when their potatoes were contaminated and many died from starvation and disease.
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b.must be the correct answer
