Explanation:
Religious: During imperial expansion, religious people sometimes set out to convert new members of their religion and, thus, their empire. Christian missionaries from Europe, for example, established churches in conquered territories during the nineteenth century. In doing so, they also spread Western cultural values
I believe the answer is Barbed Wire.
Befor the inventions of barbed wire, the Cattles are let to roam freely across the plains and the owners are required to pay a lot of cowboys to supervise them so they didn't go missing. Witht he invention of barbed wire, they can keep the cattle in a secure place without supervision.
I dont know i dont watxh it
Let me see I think it was called the fire