Without the consumer the world would probably be overpopulated with something.
Ex: Spiders eat flies. If there were no spiders there would be too many flies.
Hope this helps.
Mongol invasion of India, 1306
Answer:
immigrants and African Americans
Specific people who valued religion quite significantly played a role in this. I have studied this material so long ago that I cannot name those particular figures. Do some research and I'm sure you'll be able to find out for yourself.