I think it is
c) Many cities have developed along it.
Answer: Free trade can harm the environment because other countries may not have environmental regulations in place.
Explanation:
(apex)
The main reason why the border states did not secede in 1860-1862 was because they were concerned with the large amount of military coercion that was taking place in the South, and they felt that the South was ultimately unjustified in removing itself from the Union.
C is going to be your answer
The correct answer is (d) the Oregon trail
that's the right answer for sure i god got that right tooo
hope that helps :)
