Work out the block to not produce.

(9 letters)

Work out the block to not produce.

(9 letters)

 

_ _ _ e _ _ _ _ _

Work out the block to not produce.

(9 letters)

 

_ _ _ e _ _ _ _ e

Infertile?

Yes twyngwyn.

City that a battle viewed? (6)

Warsaw.....

Back to you, nfs

I have the answer but I cheated. 

Are you sure it wasn't someone else?