they further contributed to the growth of the industrial revolution
This sounds fun. WW11 is famous for Hitler killing lots of jews and him taking over many countries starting wars with many. Imagine living in a world where only one race was known as good and while people were dying and perishing in the cold war then write to a dude in 2020 saying how nicer it must be to be living past all of this.
That is because Spain had both Christians and Jewish people besides Muslims in the country. The people had all religious rights and were allowed to be of different religion as long as they accepted that the Muslims rule and don't challenge political rule. In exchange they were allowed to uphold their traditions, have their courts, live life in whatever way they want to religiously.