Slavery<span> forbidden in the </span>Northwest<span> Territory. </span>Slavery<span> and involuntary servitude were forbidden in the </span>Northwest<span> Territory, thereby making the Ohio River a natural dividing line between the free and </span>slave<span> states of the country. Unanimous consent from the states was required for the </span>Northwest Ordinance<span> to be passed</span>
The critical World War I battles were fought primarily along the trench lines of France and Belgium.
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"A. Coal was the main source of energy during the Industrial Revolution" is not true of coal production during the Industrial Revolution, since it was in fact the steam engine that superseded coal later in the Revolution.<span />
Primary source. is the answer i think