framirez framirez

25-05-2016
History

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During the Second Industrial Revolution, which building material became one of the most important in the world?

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yanyan1920 yanyan1920

25-05-2016

Iron. They used it to build bridges and steam engines. They were cheaper than old materials.

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atownsend424 atownsend424

14-05-2020

Answer:

steel

Explanation:

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