Simplify the following text for a Grade 12 native English-speaking person.
Original: Reported beliefs include that a Christianâ `` Jewish alliance is conspiring to destroy Islam , ( largely embodied in Israelâ `` United States relations ) , and that the killing of bystanders and civilians is religiously justified in jihad .
Simplified: Reported beliefs include that a Christian-Jewish alliance is conspiring to destroy Islam , which is largely embodied in the U.S.-Israel alliance , and that the killing of bystanders and civilians is religiously justified in jihad .