The major reason that government control or regulation of railroads and large production entities because of monopolies. In the late 19th and early 20th centuries there was major growth in industries such as the railroad and oil industries in the United States, at this time companies became monopolies in these industries and thus there was pressure on the U.S. Government to weaken the control of these monopolies.
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"All three levels are required to run an organization or a business " according to my point of view it is true without anyone levels (sector) business or organization not imagine to run
Answer: The final stage is Post-Purchase Behavior
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