C because it's a monarchy basically there's only one ruler
However, if a state law affords a person more rights than federal law, the state law is legally presumed to prevail, albeit only within that state. At the same time, if a state imposes more responsibility on its residents than the federal law, the state law<span> prevails.</span>
"D. It proved that black troops could fight bravely and well" is true about the 54th Massachusetts Regiment, which saw extensive action during the Civil War.
<span>executive
legislative
federal
judicial</span>