Answer:
its not plagiarizing
Explanation:
its just helping out people who are stuck and need help
The rightly guided caliphs were successful in spreading Islam because they would fight for the sake of God(Allah) and spread the world of Islam peacefully. They would show practice their religion by being nice and peaceful toward others and helping others.
Also, when Muslims traded they traded fairly, which made the people want to learn more about Islam. They spread it to their families, which later made the population of Islam grow rapidly.
Spain owned the territory
Some of the advancements made during the gupta empire are numbers science, astronomy, numbers 1 to 9, and decimals hope I helped
Because it was the capital of the Byzantine empire and wealth came from trading and its location also helped because it had access to trading routes on sea and by land.