B. Living in ethnic enclaves. This can be compared to modern times.
For starters, he cut down taxes on companies. He believed that the companies could then increase salaries and create new job opportunities. People could also join the market easier and open their own companies since the taxes were smaller. With more companies in the market, the competition was greater, the prices and the products were better. Or at least that's how it was supposed to work in theory.
Farming was difficult due to limited amount of good soil and cropland. Hope this helps.:)