Question: What is 'material breach' of the treaty?
A: 'Material breach' is a ground for the invalidation of a treaty
B: 'Material breach' is the repudiation or a significant violation of the treaty and serves as a ground for the unilateral termination of the treaty
C: 'Material breach' is an insignificant violation of a treaty
D: Material breach' is a significant violation of the treaty which can never lead to the termination of the treaty
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. The letter t should appear at least 34 times.
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