The correct answer to this question would be alternative D)"Looked for Gold."
This situation relates to the California Gold Rush, that took place in California from 1848 to 1855. Gold was found in the region, and it led a lot of people to the region to look for gold. It was an important event in the history of the West.
i beileive the correct answer is B
Since nobody learned what you learned you're going to have to do this one on your own sorry :/
Answer:
Pioneers faced many challenges on farming the Great Plains. In particular, they had to find solutions to farming problems such as ploughing the land, growing crops, lack of water, protecting the crops, fire, insects, farming machinery, and extreme weather.
