I think the best thing you could do is just look things up separately. I finished Civics already, and quite frankly don't remember it all, but I'll try to help.
The lack of a national court under the Articles of Confederation caused problems with each state ignoring? the rulings of the other.
(Im not sure on the next two)
Federal Judges are appointed by the president with Congress' consent.
(Not sure on the rest, sorry I couldn't be of more help, currently in U.S. History and we're focused on Gettysburg and Bunker Hill, sorry.)