Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
Q: Sentence: 'The telegram promised that Germany would help Mexico regain land it had previously lost to the United States in the Mexican War if Mexico would declare war against the United States during World War I. Americans were outraged , and some newspapers doubted that the British self-serving version of the telegram was true .', Argument/Subject 1: 'war', Argument/Subject 2: 'unite state'
A:
be declare on