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Question $1$

Which of the following parts of the US Constitution give the greatest power to the US Congress: $q,$ A$.$ The "commerce clause" of Article $1,$ Section $8.$

B$.$ The "privileges and immunities clause" of Article IV$,$ Section $2.$

C$.$ The "full faith and credit clause" of Article IV$,$ Section $1.$

D$.$ The "due process clause" of the $14$ th Amendment.

E$.$ None of the above.