What advantage does a mixed economy have over a purely market capitalist economy?

A mixed economy has all the advantages of a market economy. First, it distributes goods and services to where they are most needed. It allows prices to measure supply and demand. Second, it rewards the most efficient producers with the highest profit.

they bring people together to achieve control of the government

basically choosinng what sets in   congress and presdicny this is to keepthe antion hole and so it can last because wiht out authority it wouldnt last a week