It actually has two jobs, but the one you're looking for 'judge laws against the constitution to decide whether they are legal or not'.
Hope this helps, if not, comment below please!!!!
Both had a very very bad impact on the environment surounding them
Answer:
D, E
D: ... for more than 10 years.
E: ..have supplies... with weapons and...
Explanation:
The south had susceeded from the union rendering any union law useless, but garunteed freedom if they were to come to the union, inspiring many to fight back