'War' in the Bible

"The Spirit of the Lord is upon me, because He has anointed me to proclaim Good News to the poor; He has sent me to announce release to the prisoners of war and recovery of sight to the blind: to send away free those whom tyranny has crushed,

And, knowing their thoughts, He said to them, "Every kingdom in which civil war rages goes to ruin: family attacks family and is overthrown.

Or what king, marching to encounter another king in war, does not first sit down and deliberate whether he is able with ten thousand men to meet the one who is advancing against him with twenty thousand?