question: In addition to the content of the treaty itself , why might a treated by invalidated ?
answer: the circumstances by which a state party joined the treaty
turker_answer: In addition to the content of the treaty itself , a treated might be invalidated by the circumstances by which a state party joined the treaty .
rule-based: In addition to the content of the treaty itself , a might treated by invalidated because of the circumstances by which a state party joined the treaty .