Why is the US economy referred to as a mixed economy

The US is referred to as a mixed economy because we share common traits from traditional economies, market economies and command economies (The big 3).

Explanation:

The United States is said to have a mixed economy because privately owned businesses and government both play important roles. Indeed, some of the most enduring debates of American economic history focus on the relative roles of the public and private sectors.

i think it is the byzantine empire