Brown v Board of Education. This was the reason segregation was against the law
Generally speaking, a civilization whose impact can be felt on history for a very long time can be called a "lasting civilization", since the things they put into effect have "lasted" throughout the years.
It ended the period that was known as salutary neglect period. This was a period in which the British crown did not enforce its parliamentary decisions on the colonies, and in return the colonies were obedient. When the two acts were passed, the began getting enforced and people disliked this.
The practice of enslaving people is contrary to Christian principles
