A party may claim that a treaty should be terminated, even absent an express provision, if there has been a fundamental change in circumstances. Such a change is sufficient if unforeseen, if it undermined the “essential basis” of consent by a party, if it radically transforms the extent of obligations between the parties, and if the obligations are still to be performed. A party cannot base this claim on change brought about by <answer>its own breach of the treaty</answer>. This claim also cannot be used to invalidate treaties that established or redrew political boundaries.[citation needed]
A party cannot base its claim of a fundamental change in circumstances if the change was brought about by what?
its own breach of the treaty