Monopoly isn't a part what Free Market is supposed to be about and you seem oblivious that it is the Corporations who DEVELOP Monopolies not Governments who eventually have to break it up or regulate it to some level.
Wikipedia helpfully tells us:
Free market
In
economics, a
free market is a
system in which the
prices for
goods and services are self-regulated by buyers and sellers negotiating in an
open market without market coercions. In a free market, the laws and forces of
supply and demand are free from any intervention by a
government or other authority other than those interventions which are made to prohibit market coercions.
Examples of such prohibited market coercions include: economic privilege, monopolies, and artificial scarcities.[1] Proponents of the concept of free market contrast it with a
regulated market in which a government intervenes in the exchange of property for any reason other than reducing market coercions."
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Red bolding mine