Hi MMXIV
The bible is very blunt about our history as God's people it certainly doesn't whitewash things or the consequences of Armageddon when summary judgement on humanity by God through his son will happen. But we as Jehovah's people can only be peaceful and reject violence and armed worldly warfare as is required of us by Jehovah.
2 Corinthians 10:3
For though we live in the world, we do not wage war as the world does.
Our weapons and armour are all of the peaceful variety given by Jehovah.
Ephesians 6:13-17 (New International Version)
13 Therefore put on the full armor of God, so that when the day of evil comes, you may be able to stand your ground, and after you have done everything, to stand. 14 Stand firm then, with the belt of truth buckled around your waist, with the breastplate of righteousness in place, 15 and with your feet fitted with the readiness that comes from the gospel of peace. 16 In addition to all this, take up the shield of faith, with which you can extinguish all the flaming arrows of the evil one. 17 Take the helmet of salvation and the sword of the Spirit, which is the word of God.
I answer You with the only sword God has given us, which is his word the bible. May Jehovah help it slice through your bitterness and hate for your former life.