It was sung by Eddie Cochran.
Answer:
Urban areas doubled, tripled, or quadrupled in size which led to over crowding in cities. Sometimes a large population is a good thing, but in this case the population was too big and caused many health problems.
Explanation:
123, 1, 123, 12
12 4, 123, 1 34
1, 12, 1, 12, 12, 12
1 3, 12 , 123, 123
1 3 , 123 , 1 , 1 4
let me know if I wrote it confusingly
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