Can anybody help me on a 40 question exam, and we work out a deal pleas. its about history

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

What was the main point of helen hunt jackson's book, century of dishonor? a. it showed how unfairly american settlers were treated by the us government. b. it proved that american government was not responsive to the will of the people. c. it made the point that free land was no longer available to new settlers out west. d. it outlined the poor treatment of the native americans by the government.

Which events are correlated but do not necessarily have a causal relationship?