Which of the following occurs when a party unjustifiably fails to substantially perform his or her obligations under the contract? A. Immaterial breach B. Substantial breach C. Material breach D. Delineated breach E. Crossed breach

Answer: Material breach

Explanation: Material breach means a law term which refers to a unsuccessful execution of performance under the agreement which is important enough to give the aggrieved party the ability to file case for breach of contract.

The outraged candidate is also astonished of a responsibility for further presentation underneath the agreement if there occurs a material breach. A minor difference from either the terms and conditions, nevertheless, is not really a substantive violation. A material violation is one which is sufficiently serious to kill the contract value.

Thus, from the above we can conclude that the correct option is C.