First is A?
Second is B?
Hard questions.
The power of a court to hear a case first
D) rights to regulate marriage were expressly granted to the federal government
Gun control measures passed by President Clinton requiered background checks to buy guns. This is known as the Brady Handgun Violence Prevention Act, often referred to as the Brady Act or Brady Bill. This act mandated federal background checks on firearms purchasers in the United States, and imposed a five-day waiting period on purchases, until the NICS system was implemented.
The statement that [the city was well protected and repelled attacks by Invaders] best explains why Constantinople didn't fall until 1453. Since the people were armed and protected, invaders had several problems in breaking to the city at any point.