Because congress had a very limited power.
Hope that helps!
Answer: C I’m doing the assignment now and got it right
Explanation:
What made roman architecture unique was Roman architecture<span> is famous for its domes, arches, amphitheaters, temples, thermaes (bath houses), atriums, aqueducts, apartments, houses, and for many other factors that </span>made<span> it </span><span>unique</span>
I think the answer is the 10th Amendment