For spreading Islam, the primary ways that were adopted are Trade and military conquest, Tourism and Christian pilgrimages. Hence, Options A, and D are correct.
What is Islam?
Islam translates as "submission to God's will." Muslims are those who practice Islam. Muslims practice monotheism and revere Allah, the Arabic name for the one, all-powerful God.
Muslims strive to lead lives in total obedience to Allah. The foundational principle of Islam is that "There is no god but God, and Muhammad is the Messenger of God." The Qur'an, Islam's holy book of divine revelations, is one example of an artefact.
Frequently prominently displays this Arabic phrase, conquest, trade, pilgrimage, and missionaries all helped expand Islam. Over time, Arab Muslim warriors expanded their empire and occupied large lands.
Thus, Options A and D are correct.
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