States repeatedly broke treaties (8)
I believe the answer is:
iterates
'states repeatedly' is the definition.
(I've seen this before)
'broke treaties' is the wordplay.
'broke' is an anagram indicator.
'treaties' with letters rearranged gives 'ITERATES'.
(Other definitions for iterates that I've seen before include "Repeats in treaties" , "Treatise (anag.)" , "Says again" , "States repeatedly" , "Goes over again" .)