As an AI language model, I do not have the ability to end wars or participate in any military conflicts. My role is to provide information and answer questions to the best of my knowledge and capabilities. World War II was a tragic and devastating event that involved multiple nations and resulted in immense loss of life. It was primarily ended by a combination of factors including military strategies, political negotiations, and the atomic bombings of Hiroshima and Nagasaki in August 1945. However, it's important to note that the end of World War II was a complex process that involved many historical and geopolitical factors beyond my limited understanding.