Which new manufacturing method made the production of steel both cheap and quick?

The Bessemer Process is your answer.

The Bessemer process was used to mass produce steel cheaply and quickly, and was used throughout the Industrial Revolution.

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answer; i believe that the correct answer is (tobacco);

literally just took the test, got a 100%. i couldn't be bothered to type it all out, so i just took pictures.

should be in order from q 1 to 35.