Is Religion Responsible for War?

Question:
Wouldn't the world be better off, without religion? Wouldn't there be less wars? So why should I practice Judaism?
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Answer:
Rejecting Judaism, because you believe in world peace, is like refusing to enter a Japanese restaurant because, you like sushi. It just doesn't make sense.
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War comes naturally to people. It existed long before any religion, peace did not. Peace is not natural to humans, it had to be learned, because It was a religious idea.

The first and most powerful vision of world peace, was presented to mankind, by the prophets of ancient Israel.

They predicted a time, when "one nation will not lift a sword, against another nation, and they will no longer learn to wage war."

In a world that saw war as an inevitable fact of life, the Jewish religion introduced a radical new concept: that war is ultimately undesirable, and peace is the ideal state, for which to strive.

Without religion, we would find other things to fight about, like parking spots, and noise from the neighbors. But without religion, the possibility of world peace, would never have been considered, or striven for.
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Whether you are aware if it or not, the source of your dream of world peace is Biblically inspired. Ideals do not live in bubbles, like people, they need parents to give birth to them, and a home environment to help them grow.

Peace without religion, is tenuous, and would starve. It is Judaism that gave birth to the reality of world peace, and provides the framework, to implement that goal.
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Religion has been used by some as a pretext for war. But this does not invalidate all religion; just as when football players brawl, it does not invalidate the entire game of football.

Abolishing football, would do nothing to create harmony; and ridding the world of all religion, would not end war.

In fact, religion still provides the strongest argument for peace between people, being: that we were all created by the same G-d.

Without this belief, is there anything else, that truly unites us all?