Delivery of Congressional results? (5)

I believe the answer is:

issue

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'delivery' is the definition.
(thesaurus)

I cannot understand how the rest of the clue works.

(Other definitions for issue that I've seen before include "something to discuss" , "Children, offspring" , "Important topic for offspring" , "Bone of contention" , "Produce" .)

I've seen this clue in The Times.

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