;) Whether jesus actually died on the cross is just a small detail. Let us focus on the spiritual truths he revealed to mankind (self sacrifice, acceptance, love etc)
:) War is just a temporary solution to problems. True peace comes with education and the realization that everything each of of does effects everybody else. We are all just the sons and daughters of one god
The bible is a divinely inspired book. The word of God is eternal, so the message it gives is the will of god for that time period. If there are any doubts of the divinity of the Bible, just read the sermon on the mount, and feel the divine authority from which jesus speaks