What contribution did alexander graham bell make to industrial growth in us?
1)he invested large amounts of money to do transcontinental railroad,
2)he used his wealth to improve the lightbulb, he invented the beast he invested large amounts of money to do transcontinental railroad,
3)he used his wealth to improve the lightbulb,
4)he invented the bessemer process, he patented the telephone

4) he invented the bessemer process, he patented the telephone

Explanation:

Alexander Graham Bell has had huge influence on the development of the industry in the United States and later in the world. This scientists managed to invent the telephone, and of course patented it. By inventing the telephone, Alexander Graham Bell made an impact on the industry and the society probably as he never would have imagined. The telephone enable the people to communicate with each other despite being separated physically by long distances, and the communication was almost at real time. This made life easier for lot of people tat lived far away from the families and friends. The industry too benefited a lot, as it was able to communicate with all sectors immediately and get the job done, instead waiting for letters or telegraphs to reach a certain sector, or talk in person.

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