It started because of the battles that lead up to it
In Hiroshima there was no battle. A plane dropped an atomic bomb which destroyed the city.
there was no battle, a bomb was dropped
Hiroshima recevied on bome but it was a nuclear one. That's the importance.
The United States was the winner. It launched a nuclear bomb called Fat Man under Truman's administration. You are welcome to read the wikipedia article on the Battle of Hiroshima.
Hiroshima by itself did not have a battle per ce. So Guadalcanal has nothing to compare it to Hiroshima which was attacked by three B-29 planes one used to drop the nuclear bomb over it. Guadalcanal had none of that, it had a full battle. They only thing in common would be the enemy.
For the USA vs. Japan portion of WWII, the Coral Sea battle started the USA's victories against Japan. The atomic bombings of Hiroshima and Nagasaki ended WWII though.
Can you tell us when the Hiroshima Battle you are referring to occurred? There was none in World War 2. Bombing runs are not considered battles, and there was basically no Hiroshima at the end of the war.
The battle that took place in Japan, It was an effect of Hiroshima.
how was the first battle started
They started the cold war.
Pearl Harbor. As with Hiroshima, it was really more of a bombing than a battle.
The Battle of Trenton started on December 26, 1776.