Because they come from a different place with a different system compared with the city. Rules and procedures are unknown so they are forced to rely upon and trust people whom they know in the city. The urban people are knowledgeable in their area and have better instructions to give.
Hello there,
The answer to your question is B, They posed no threat of permanent settlement.
Hope this helps :))
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A. Gold rush
Everyone believed California had TONS of gold which turned out to be false.
It protects peoples ideas