Answer: Practically everyone is biased in some way. ... Basically, bias means having an unfair or unbalanced opinion. Since history is a subject where people express their opinions it means that we have to be very careful to watch out for bias.
Explanation:
It made an agricultural industry in the south possible.
For those owning plantations, it made great wealth possible.
It set up a class system.
Even people with small farms seemed to have been able to afford 1 slave, so the south had economic reasons for engaging in the civil war. There were 69000 farms in the south when the war broke out. Each had at least 1 slave so they were very dependent on that labor.
The judicial branch could use the constitution as evidence to not allow the law to pass,and congress could veto it