Question

4 multiple choice 2 points which of the major industrialists were most threatened by edisons invention of the electric light bulb? carnegie rockefeller morgan vanderbilt clear my selection

Explanation:

Rockefeller was in the oil - based kerosene lighting business. Edison's electric light bulb was a direct competitor to kerosene - based lighting, which could reduce the demand for kerosene. Carnegie was in steel, Morgan in finance and industry consolidation, and Vanderbilt in railroads. So Rockefeller was most threatened.

Answer:

Rockefeller