> in all likelihood was instead to ensure Japan surrendered to the US and not to Russia. Assuming you mean USSR, who declared war on Japan on August 8th 1945,

> in all likelihood was instead to ensure Japan surrendered to the US and not to Russia. Assuming you mean USSR, who declared war on Japan on August 8th 1945, we need to believe someone used a time machine to travel to the future before they authorized the first atomic strike on August 6th?