asked 89.2k views
1 vote
PLEASRE HELP!!!!!!!!

How did roebling , sullivan, otis, and olmstead contribute to modern society?

asked
User Philbird
by
8.8k points

2 Answers

7 votes
making cities possible

answered
User Kallz
by
8.2k points
7 votes
Answer: Making modern cities possible.
answered
User Don Wilson
by
8.5k points
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