Answer:
Congress passed laws allowing for free passage between states.
Explanation:
a. is the correct brainliest answer
The best and most correct answer among the choices provided by the first question is the third choice "<span>specialization of labor"</span>
On the other hand, the best and most correct answer among the choices provided by the second question is the first choice "<span>Stoicism"
I hope my answer has come to your help. God bless and have a nice day ahead!
</span>
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.