Which of these excerpts from carl sandburg's "three boys with jugs of molasses and secret ambitions" uses repetition?

The correct answer is They went to the railroad stations and bought tickets for the fast trains and the slow trains and even the trains that back up and run backward instead of where they start to go.

The repetition of a word or a set of words, but one of the repetitions has a characteristic that serves to define something, giving emphasis.

there were three types of british colonies: royal, proprietary, and self-governing. each type had its own characteristics. proprietary colonies, such as pennsylvania, maryland, and delaware, were basically land grants from the british government.

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