It was : B-refining oil Back then, standard oil managed to gain monopoly within the oil industry by buying all of the existing rival refineries and united it under the standard oil brand. This allow them to dominate the whole oil product that distributed in united states
Probably better defense systems or training people in the army.
She.
pretend like you're going to add another word at the end of the sentence. "just as frequently as she does."
subjects are compared to subjects.