Answer:
The answer to your question is:
Explanation:
Elisha Otis Elevator
Louis Sullivan Skyscraper
John Roebling Steel suspention bridge
Fredrick Olmstead Landscape architecture
Because of scale I am pretty sure
When I read this I think it is saying "That the actions of men is the best why to understand their way of thinking. "
The environmental legislation signed by President Bush in 1990 set stricter standards on pollution from factories. This was done to prevent the negative results of pollution, since everything concerning that was getting worse and worse.