Answer:The hardest ship to sink in history is often considered to be the USS Nevada (BB-36).Why?1. Survived Pearl Harbor – It was the only battleship that got underway during the attack and, despite multiple bomb and torpedo hits, didn’t sink.2. Atomic Bomb Tests – It was used as a target for two nuclear bomb tests at Bikini Atoll in 1946. Even after the explosions, it still didn’t sink.3. Finally Scuttled – The U.S. Navy had to intentionally sink it with gunfire and torpedoes in 1948 because it refused to go down easily.