A) is simply not right, no one can violate the US’s bill of rights or constitution, unless they make an amendment
B) Looks to be right, this is through the implied powers clause that allows Congress to pass any law that it deems proper and necessary to carry out its enumerated (many) powers.
C) it’s no, Congress can’t override a Federal Judge’s ruling as they interpret the Constitution and the Constitution gives the final say to the highest court in the land, which is the federal court.
D.) No, it has to be 2/3 of both the senate and the house that oppose the veto for the veto to become overridden.
During the Congress of Vienna, the great powers of Europe (Great Britain, Austria, Prussia, and Russia) guaranteed each other's independence by ensuring that no one country could dominate the continent.