1890s African Americans began working on subway Construction
there are plenty.
if you are looking for something from way back, there was the tea act and it put taxes on tea and the colonists from Boston boarded british ships and dumped the tea into the ocean, otherwise known as the Boston tea party.
So they will get more profit
<span>The Northwest Ordinance banned slavery from expanding in territory north of the Ohio river. The Northwest Ordinance is also know as the Ordinance of 1787. This ordinance created the Northwest Territory.</span>
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Can you please list the choices so we can help?