Mrs jordan giving several of her old coats away to the charity drive a complete sentence

That is not a complete sentence

Explanation:

the phrase "Mrs. Jordan giving several of her old coats away to the charity drive" is not a complete sentence becuase there is no joining word. to correct this you would simply write "Mrs. Jordan was/is giving several of her old coats away to the charity drive"

she was trying to use   reliable narrator.

the statement that best explains why the tenth amendment reserves some rights and powers to states is that the framers believed in the principle of federalism. this principle says that some powers are in the hands of a centralized national government, while others are reserved for the governments of several states.