Final answer:
This excerpt demonstrates Roosevelt's philosophy of conservation as a means of promoting development and protection.
Step-by-step explanation:
This third excerpt from Roosevelt's comments on conservation illustrates his plan for a Square Deal for the environment by emphasizing the importance of both development and protection. Roosevelt believed that conservation should not only focus on preserving natural resources but also on utilizing them wisely for the benefit of society. He viewed conservation as a means of promoting economic growth and social progress, ensuring a fair and sustainable future for both present and future generations.
Learn more about Roosevelt's plan for a Square Deal for the environment