[dfwgator]

It was a combination of both.

[jmacusa]

Well, it sure wasn't the Russkies who slogged their way across the Pacific at places like Guadalcanal , Tarawa, , Pelilu, and Iwo Jima. And it damn sure wasn't their navy that put the Japanese Imperial Fleet at the bottom of the Pacific.

[nickcarraway]

It was a combination of both.

Not really. The U.S. had already reduced almost every major city in Japan to rubble by conventional bombing.

Japan was scared of Russia, they weren't scared of the U.S.