Answer:
A or B
Explanation:
I can't see the lines that your question mentions but the rich farmland is what attracted settlers to Oregon. The gold rush was in California, and the only huge thing that was discovered in 1849 (option D) is the gold rush, no mention of an oil boom.
D. All of these choices are correct
Answer:
china
Explanation:
Easily topping the list is China, which is the world's biggest producer, importer, and consumer of food