John D. Rockefeller was able to monopolize the oil industry by purchasing several oil companies through the combined vertical and horizontal integration process. The monopoly Rockefeller created it with his company Oil Standar. This tycoon used a trust to obtain total control of the oil industry.
External motivation is all of this. Please mark Brainliest!!!
It need it to be a cell all living things have a plasma membrane it it doesn't it looses its form.
Answer:
B
Explanation:
A is not right it didn't end any colonialism, C is wrong because there are leaders in a government system, D is also wrong because its not the Emancipation Proclamation that freed all slaves in the south and in the north.
Answer:
It's capitalism
Explanation:
Capitalism is the guiding economic philosophy of the free enterprise system.
