Answer:
It had a negative impact on the Native Americans, because the settlers were taking over the Native's land and livelihoods. As more Europeans came, the Natives were forced further and further from their tribal lands.
Explanation:
he says "remember the gas gauge doesnt work"
I think the author chose to start the book 19 years before the main events of the story so the reader could absorb things. The author technically wanted the reader(s) to understand something before reading the real story.
The most accurate way to describe the excerpt is to choose the option - it is a dependent clause. This means that something needs to be added - you need to finish the sentence so that it becomes an independent clause, and not a subordinate one.
The answer is B.
Hope this helped.