What was the core business that made Standard Oil a horizontally integrated monopoly? refining oil transporting oil to customers building oil pipelines finding new uses for oil

the answer is typhoon

where are the answer choices

because the vietnam war was fought in an especially brutal and untraditional way

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d