The removal of land when a stream suddenly changes its channel is

Breach refers to a violation of contract or duty, not a natural land boundary change. It's unrelated to how waterways affect property boundaries.

Avulsion is actually the correct answer, not option C. The question correctly identifies avulsion as the sudden removal of land due to natural forces like a stream changing its channel.

Accretion is the gradual addition of land to a property through natural processes like sediment deposit, not the sudden removal of land when a stream changes course.