When it came to steel, Andrew Carnegie did all the following except: a. promote it. b. have technical expertise in it. c. sell it. d. know how to organize a steel company. e. hire men of expert ability to help him run his business.

a.promote it.

Explanation:

Andrew Carnegie was an American industrialist who was engaged in various businesses through which he amassed wealth. His major nwealth came from the establishment of steel company and the subsequent control of the manufacturing processes such as the raw materials company ownership, factories ownership and transportation infastructures.

During his life, he did all the following apart from promoting his steel because of his ability to know that the railway industry would definietly need the iron and steels for thier infastructure.

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the answer is a) james madison.