I think in narrative style I don't know for sure
The passage gives a brief overview of the history of mad cow disease. It details when and how it started, the spread of the disease, and the efforts taken to eradicate it.
When u get a college scholarship you save money. People use money to buy things. You can use the money you saved from college to buy things from a local business. When a business gets bought from they get money. The money they get from your purchase helps them. :)
I’m pretty sure it’s B) Karen realizes that thinking calmly is better than panicking.