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Or, you get free markets and laissez-faire capitalism, the greatest wealth-producing system known to mankindOr the suppressor operating at the greatest scale known to mankind (from colonialism and imperialism, to 2 World Wars, post colonialism and still counting).
For, if you want to measure the wealth created by capitalism by the last two (or three) centuries, you cannot just add what you like (e.g the internal US market) and hide the rest under the carpet. Add the ecological impact to the whole thing, and the numbers do not look that good.
Not to mention that such a thing as pure "free market" never existed. It's a slogan, like "Don't be evil". What does exist is a huge market system that's "laissez-faire" only for those in power (countries and individuals) and "take it or be crushed" for others.
And in which the huge wealth comes along with grabbing resources with military might (not very "free"), imposing tariffs and embargoes to who it pleases you as a big western power, operations covert and open to have friendly people (including brutal dictators) in "allied" countries, and the like. Nothing very "free market" about them.
(Actually, from the moment there is even a "patent system", which controls industries and markets of trillions of dollars worth, there's not a "free market" system anymore -- and that's just the tip of the iceberg).