i personally would say the answer is A. a benefit is a good thing that happened to you, you don't really have to give something up for it so a positive consequence makes the most sense.
Answer:
In the mid-19 th century, Chinese came to "Gold Mountain," as they called America, to join the "Gold Rush" that began at Sutter’s Mill, Sacramento, California. As the lure of gold diminished, they came simply to work. Initially welcomed, they became a significant part of the labor force that laid the economic foundation of the American West.
Explanation: