In the book of narnia, how was the white which nice to edmund? only need 2 reasons!

The witch gave Edmund delicious food, and gave him a coat to keep him warm.

Because the vietnam war was fought in an especially brutal and untraditional way

Use who. if it wasn't a question, you could put the he in the blank.  if you can put he or she in the blank, it's who.if you can put him or her in the blank, it's whom.