Please help! I need help with these questions. At least some of them

Why is the supremacy clause considered to be the root of federalism?

Which of the following statements best illustrates an argument on whether congress is effective on providing oversight of the bureaucracy? a. congress is very effective in providing oversight of the bureaucracy. b. congress is not very effective in providing oversight to the bureaucracy because they lack the technical expertise and they are part of the iron triangles that create a relationship with the bureaucracy and interest groups to show more a. congress is very effective in providing oversight of the bureaucracy. b.congress is not very effective in providing oversight to the bureaucracy because they lack the technical expertise and they are part of the iron triangles that create a relationship with the bureaucracy and interest groups to further their own interests and not necessarily the public interest. c.congress provides effective oversight of the bureaucracy through the budgetary process. d.congress is not effective in providing oversight because of the budget and enabling legislation.

Adefendant charged with driving while intoxicated pleaded not guilty and insisted on a trial. right before the trial began, he fired his attorney and decided to defend himself. at one point during opening arguments, the defendant began to act like a cat, meowing and chasing an imaginary squirrel out of the courtroom. if no one else raises the issue of the defendant's competency to stand trial, what is the responsibility of the trial judge here? a) the trial judge has no responsibility, because the defendant decided to defend himself. b) the trial judge has no responsibility, because she cannot decide whether the defendant is competent to stand trial. c) the trial judge must raise the issue of competency, because the defendant is representinghimself.d) the trial judge must raise the issue of competency, because the constitution obligates her to do.