The rapid influx of a large number of land-hungry americans into oregon in the mid-1840s forced and the united states to decide the status of oregon.
a. britain
c. spain
b. france
d. the indians

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.