Consumers have a powerful voice in determining what
is or is not produced when they express their wants and needs in the
form of "the purchases<span> that they make in the marketplace</span>". These purchase are the "demand" that determines the "supply"
President Theodore Roosevelt was a reformer president to the extent that he was a true progressive--especially when it came to domestic issues. He enforced labor laws that protected workers, and was one of the first true conservationists--carving out large chunks of land for national parks.