Usually "why" and "how" have different meanings but I wonder whether the sentences "Why did this happen?" and "How did this happen?" have the same meaning? I think it both asks what caused this issue.
Grammar – Difference Between “Why Did This Happen?” and “How Did This Happen?”
grammar
Best Answer
The two sentences are definitely close in meaning, and in some cases either could be used; but they do have slightly different connotations: