There are some standard questions that people come at you with, and this is definitely one of them.
Before we worry about finding the right answer, letâs look at why people are asking a wrong question.
Empires rise and fall, but religions and empires must be viewed independently in order to see objectively.
Shaykh Hasib Noor gives us some more details on the answer to this question
Islam was not spread by the sword, then why were there so many battles?
This question that actually in fact is incorrect. After the passing of the Prophet sallallahu sallam, and the very first 100 years of Muslim expansion, they adopted the dynastic system of rule similar to that of Byzantium and Persia, and in Byzantium and Persia, the Romans and Persians, they fought so much with one another, that in Syria and Palestine in the northern part of the Middle East, the hands exchanged over three times in these 100 years between Rome and Persia, and then Rome again, at least. And similarly, the Muslim empires when it spread and took up this dynasty, the dynasty itself sometimes crumbled and could not hold its weight because of its upkeep and trying to
keep up with the system. But these dynasties ended up eventually going away. But Islam stayed in that area and flourished. And this is the lesson that we have throughout human history, that when these dynasties expanded, and Islam expanded with them through its teaching and teaching people the Word of God as well as the teachings of the Prophet peace be upon them. The dynasties themselves went away, but Islam itself and its message came to state x first