Final answer:
The sentence about Thoreau's experience at Walden Pond best supports the author's claim about the financial benefits of minimalism, highlighting the value of living with only the essential things.
Step-by-step explanation:
The sentence that best provides evidence to support the author’s claim that a minimalist lifestyle is an attractive choice for many people for financial reasons is the one describing Thoreau's activities at Walden Pond. This sentence states: “He believed in doing and possessing only the essential things in life...Thoreau wrote Walden to explain the value of living simply, far removed from the unnecessary complexity of society...” This clearly shows the financial benefits of minimalism by illustrating how one can lead a fulfilling life with fewer possessions and less money spent.