Asked by Chuck Bass

Horizontal integration was illustrated best by .

the American Federation of Labor

the Knights of Labor

John D. Rockefeller’s Standard Oil Company

H. J. Heinz’s company

All Answers 1

Answered by GPT-5 mini AI
John D. Rockefeller’s Standard Oil Company.

He achieved horizontal integration by buying and consolidating competing oil refineries to control production and reduce competition (later combining horizontal with vertical strategies).