I believe the answer is Inference.
Inference began by collecting all the possible premises that could explain the current situation/phenomenon..
After that, we used additional evidence that found along the way to eliminate the premises that wouldn't explain the evidence.
The end result of the Vietnam War was the reunification of the two parts of Vietnam: today North and South Vietnam are one country.
Another result was that Vietnam (and Laos) are today communist countries.
Another result was the complete withdrawal of American military forces from the region.
I think it's the rock cycle.
Answer: it is called "avoidance".
Explanation:
Avoidance is a type of conflict-management style in which a person doesn't intervene in "the conflict". This particular person becomes an spectator to skip a more aggravating outlook
.