The US and the USSR never fought against each other.
In World War II, they didn't fight against each other, they were on the same side.
Antarctica and South America never fought against each other in a war of any kind.
she wanted to expand her empire
she wanted to expand her empire
the blacks and whites fought against each other
It wasn't just fought in Japan. It was also fought in Europe, Africa and other parts of Asia. Reason why World War 2 was fought in Japan was thought Japan was part of the Axis and they were fighting against the US.
The muslims and crusaders fought against each other in the middle ages during the crusades.
Russia fought against Britain, France and the Ottoman Empire.
Jerusalem for the Major Crusades, but that soon expanded to general war against the Muslims themselves. (In other cases, the Christians fought against the throne of the Muslim kingdom itself.)
The Confederacy and the Union
all of the aztecs enemys most noteable the taxacalla
The north and the south fought against each other in the civil war.