The detection of gravitational wave on 14th September, 2015 by the LIGO collaboration from the merger of two black holes, is the first direct detection of gravitational waves and the first observation of a binary black hole merger. This provides evidence for :

• A. Arrhenius theory of electrolytic dissociation
• B. Einstein's general theory of relativity
• C. Newton's law of gravity
• D. Theory of black body radiation