Answer:
C. Banking.
Step-by-step explanation:
John Pierpont Morgan was a banker who would revolutionize the financial industry of America. He co-founded J.P. Morgan & Co., a banking firm that would transform the American economy.
J.P. Morgan would bring about numerous industrial investments and consolidation through his financial firm. He would also spearhead the formation of several multinational corporations that would cover the steel industry to the electric sector. His consolidation of American financiers during the Panic of 1907 helped save the American economy from collapse.
Thus, the correct answer is option C.