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betty123:

Which accomplishment did Otis, Sullivan, Roebling, and Olmstead share? a).making modern cities possible b).changing the way Americans thought about government c).creating new business models d).promoting greater democracy through new laws

mxddi3:

Welcome to QuestionCove!!! These people all had amazing new innovations at this time. They were becoming more developed. Because of this, we can eliminate options B and D. so from A and C, what would their contributions and innovations lead to?

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