NEED HELP PLEASE MY QUIZ IS TIMED Which of the following federal powers was made possible through a constitutional amendment?

A)The power to declare war
B)The power to establish post offices
C)The power to maintain a standing army
D)The power to collect an income tax
E)The power to coin money

Which statement in the passage best reflects sumer's opinion of the dred scott decision? a."i speak what cannot be denied." b."[the] judgment was sustained by a falsification of history." b."the opinion was more thoroughly abominable than anything history." i speak what cannot be denied when i declare that the opinion of the chief justice in the case of dred scott was more thoroughly abominable than anything of the kind in the history of courts. judicial baseness reached its lowest point on that occasion. you have not forgotten that terrible decision where a most unrighteous judgment was sustained by a falsification of history. -charles sumner, 1865