Final answer:
The correct statement is 'The government shouldn't interfere with the free market,' which encapsulates President Reagan's supply-side economic policy that encouraged less government intervention, tax cuts, and deregulation.
Step-by-step explanation:
The statement that best completes the graphic organizer to describe President Reagan's economic policy, known as Reaganomics, is 'The government shouldn't interfere with the free market.' Reaganomics was based on the concept of supply-side economics which advocated for reduced government intervention in the economy, lower taxes, and deregulation of industry. Overall, the policy focused on tax cuts leading to investment, innovation, and new jobs with the belief that a freer market would fuel economic growth and eventually trickle down to benefit all sections of society.