Answer:
In statistics, correlation is the general direction and stregth of the collectiveness of the points (general trend) relative to another output of sets.
Causation is an effect caused by an action, correlation doesnt always equal causation.
A
Particularly in the southern colonies, education tended to be reserved for the gentry and upper-class people (plantation owners mainly). Slaves were not educated; in fact, it was illegal to teach slaves to read or write. This stemmed from the fact that a large portion of education involved the Bible, slaves who read the Bible could be expected to convert to Christianity, and Christians are forbidden to enslave one another by their religion. Significant social and economic inequality persisted in the South well into the 20th century.
This combination or a mix of people could lead to confrontations or even wars due to their differences which might be based on hatred, intolerance and opposite beliefs. On the other hand, culture might be threatened, they would result lost because of the combination.
Difficulties to communicate because of the different languages people use.