Final answer:
Capitalism is an economic system in which individuals own businesses and have the freedom to choose what to buy and sell in free markets, with little government interference. The United States and Japan are examples of countries with capitalist economies.
Step-by-step explanation:
Capitalism is an economic system in which individuals own businesses and have the freedom to choose what to buy and sell in free markets, with little government interference. In a capitalist system, private citizens own the factors of production, such as land, labor, and capital, and make decisions based on their own self-interest. The United States and Japan are examples of countries with capitalist economies.