Most democratic countries have a mixed economy with a differing balance between a market and command economy. what country has/had a strong mixed economy

All countries which follow democracy had a strong mixed economy, for example, The United States of America follow the strong mixed economy system.  

Explanation:

The United States of America follows the system of Mixed Economy. rather than follow the pure form of capitalism we use government as well as the market to allocate resources. Nowadays most of the wold countries with the democratic government are following the Mixed Economy. The mixed economy is an economy where business was owned by private firms and the government intervene by making regulation for these private firms.  

Abecause it’s just i.s. i learned this