Why did some people in the north support the institution of slavery?

some people in the north feared that if slavery ended, plantation owners would build textile mills in the south.

northerner's did not want the slaves to worry about unemployment like factory workers from the north.

factory owners wanted to bring slaves to the north to work in textile mills.

the textile industry in the northeast was very profitable because of the inexpensive cotton that was produced in the south, as a result of slaves labor.

What role did natural resources play in african politics?

From where do ocean waves obtain their energy

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things