How do we make life better for people?
Is there a relationship between the level of economic freedom in a country and the level of income, life expectancy, civil rights, and a cleaner environment? Is there an inverse relationship between the level of economic freedom and the level of corruption, infant mortality, and child labor?
The answer to both questions is yes.
The higher the level of economic freedom is in a country, the higher the level of those good things. With more freedom there are less of those bad things. See this very innovative, creative video for a visual explanation: