Frederick jackson turner's thesis held that the frontier

a) destroyed the west and the americans who went there.
b) create the strong, individualistic american spirit.
c) would continue to exist for at least another 50 years. d) had a little effect on the american character.

How did the cleveland massacre impact standard oil in 1872? standard oil hired all the laborers who were nearly killed during the cleveland massacre. standard oil became a monopoly in the cleveland oil market after the cleveland massacre. standard oil was bought out by other companies in the city after the cleveland massacre. standard oil closed down to avoid additional violence in the wake of the cleveland massacre.