One can see how twisted logic of Islam is? But this is what Koran says in verses 9:005 and 9:029.
One can also see how definitions of various words change when Muslims use them i.e. here the word 'friendship'. One group pays Jizya for protection or not to get killed and other group calls this friendship.
URL address for above video: http://youtu.be/7lGZLRTivQA