As a result of the introduction of the Bessemer process in 1855, which industry most likely grew the most immediately thereafter?

automobile

Explanation:

In simple words, The bessemer procedure was the very first affordable integrated system only for mass manufacturing of cast-iron steel prior to the implementation of the open mind boiler. The core aspect is to remove the impurities mostly from iron by oxidizing the air that is blown through the molten metal.

Thus, it drastically increases the supply of metal into the market which further lead to lo cost prices, this helps the automobile industry to scale their production process.