'War' in the Bible

Moreover thou knowest also what Joab the son of Zeruiah did unto me, even what he did to the two captains of the hosts of Israel, unto Abner the son of Ner, and unto Amasa the son of Jether, whom he slew, and shed the blood of war in peace, and put the blood of war upon his girdle that was about his loins, and in his shoes that were on his feet.

But of the children of Israel did Solomon make no bondservants; but they were the men of war, and his servants, and his princes, and his captains, and rulers of his chariots and of his horsemen.

And there was war between Rehoboam and Jeroboam continually.

Now there was war between Rehoboam and Jeroboam all the days of his life.

And the rest of the acts of Abijam, and all that he did, are they not written in the book of the chronicles of the kings of Judah? And there was war between Abijam and Jeroboam.

And there was war between Asa and Baasha king of Israel all their days.

And there was war between Asa and Baasha king of Israel all their days.

And he said, Whether they are come out for peace, take them alive, or whether they are come out for war, taken them alive.

And they continued three years without war between Syria and Israel.