Battle in the Bible

Judges 7:20 And the three companies blew the trumpets, and brake the pitchers, and held the lamps in their left hands, and the trumpets in their right hands to blow withal: and they cried, The sword of the LORD, and of Gideon.
1 Samuel 17:20 And David rose up early in the morning, and left the sheep with a keeper, and took, and went, as Jesse had commanded him; and he came to the trench, as the host was going forth to the fight, and shouted for the battle.

2 Chronicles 13:12 And, behold, God himself is with us for our captain, and his priests with sounding trumpets to cry alarm against you. O children of Israel, fight ye not against the LORD God of your fathers; for ye shall not prosper.

2 Chronicles 14:11 And Asa cried unto the LORD his God, and said, LORD, it is nothing with thee to help, whether with many, or with them that have no power: help us, O LORD our God; for we rest on thee, and in thy name we go against this multitude. O LORD, thou art our God; let not man prevail against thee.

2 Chronicles 20:3-12 And Jehoshaphat feared, and set himself to seek the LORD, and proclaimed a fast throughout all Judah. 4 And Judah gathered themselves together, to ask help of the LORD: even out of all the cities of Judah they came to seek the LORD. 5 And Jehoshaphat stood in the congregation of Judah and Jerusalem, in the house of the LORD, before the new court, 6 And said, O LORD God of our fathers, art not thou God in heaven? and rulest not thou over all the kingdoms of the heathen? and in thine hand is there not power and might, so that none is able to withstand thee? ...

See WAR