Did the emancipation proclamation free all slaves within the united states ?

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.

What is the approximate distance between paris and moscow?

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)