Battle
A Battle
noun, する verb, の adjective
A war struggle is the part in war where you have to struggle at each other. This is a battle.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
実際のところ、忍者は直接戦闘することをできるだけ避けた。
Actually, ninjas tried to avoid combat as much as possible.