A political reason for driving a car into a crowded street and blowing it up killing innocent Iraqi's on purpose?
Please enlighten me...
The Kuran has been around for centuries. Terrorist activity on this scale has not. Therefore, the Kuran is NOT the reason why the terrorist activity is being done; otherwise, it would not be anything new. Q.E.D.

While it is impossible to definitively ascertain when it was first used, that which we today call terrorism traces its roots back at least some 2,000 years. Moreover, today’s terrorism has, in some respects come full circle, with many of its contemporary practitioners motivated by religious convictions – something which drove many of their earliest predecessors. It has also, in the generally accepted usage of the word, often possessed a political dimension. This has colored much of the discourse surrounding terrorism ‑ a phenomenon which is, according to Paul R. Pillar, ‘a challenge to be managed, not solved.’[ii]
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Adherents of other religions also resorted to methods which might today be termed terrorism, such as the Assassins – an 11th century offshoot of a Shia Muslim sect known as the Ismailis. Like the Zealots-Sicari, the Assassins were also given to stabbing their victims (generally politicians or clerics who refused to adopt the purified version of Islam they were forcibly spreading) in broad daylight.[v] The Assassins ‑ whose name gave us the modern term but literally meant ‘hashish-eater’ ‑ a reference to the ritualistic drug-taking they were (perhaps falsely) rumored to indulge in prior to undertaking missions – also used their actions to send a message.[vi] Often, the Assassins’ deeds were carried out at religious sites on holy days – a tactic intended to publicize their cause and incite others to it. Like many religiously inspired terrorists today, they also viewed their deaths on such operations as sacrificial and a guarantor that they would enter paradise.
www.cdi.org...