What was the core business that made standard oil a horizontally integrated monopoly? a)finding new uses for oilb) refining oilc)building oil pipelinesd) transporting oil to customers

b) refining oil

Explanation:

Please mark brainliest and have a great day!

they both built pyramids.

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.