The atomic bombings of Hiroshima and Nagasaki, finally caused Japan to surrender.
The one dropped on Nagasaki.
Korea was forced to split upon Japan's surrender per the Potsdam conference agreement: http://en.wikipedia.org/wiki/Korean_War
Yes, if you consider being forced to surrender unconditionally a win.
it forced japan to surrender to the united staes
Atomic Bomb droppings onto Japan changed WW2 outcome as prior to it, Japan was still fighting strong and could of beaten the US. However, when Japan realised the US dropped 2 atomic bombs on August 6th and 9th, Japan was forced to surrender to the US like the Germans were forced to surrender to the Soviets.
The were forced, or surrounded
When South Carolina forced the surrender of Fort Sumter.
No-one forced them, they chose to surrender because they thought they were going to lose.
The bombing of Pearl Harbor forced the Japanese to surrender only in the sense that in caused the US to enter the war against Japan. It is likely that the resources brought against Japan by the US were a primary cause of Japanese surrender and would not have been brought to bear if Japan had not attacked Pearl Harbor and the other US positions in the Pacific.
Japan Did surrender to the USA, and President Harry Truman, after two atomic bombs were dropped on Japan, (and after Russia declared war on Japan). Japan did not want to surrender, because their samurai code said it was better to die instead of to surrender. It was after they were bombed with nuclear weapons (and after Russia attacked the Japanese forces in Manchuria), that Japan finally decided to surrender.
Field Marshal Erwin Rommel's Afrika Korps was forced to surrender in Tunisia in 1944.