Why did muslim armies not force their religion on jews and christians after their initial conquest

Muslim armies did not force their religious views on conquered people because it is inconsistent with the teachings of Islam. Islam promotes tolerance and peaceful coexistence. The best example of this principle at work is the Ottoman Empire, in which Christians, Jews and other religious minorities lived in peaceful coexistence with one another.

the answer is because these groups also believed in one God

probally   a few days after there called

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