What proof do you have? The only thing you have proven is that they were used long after they became obsolete. you have yet to provide any benefits for keeping them around, or where they gave us a insurmountable advantage.

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I am a liberal, a classical liberal. Classical liberalism is liberalism, but the current collectivists have captured that designation in the United States. In Europe they are glad enough to call themselves socialists. But no one in America wants to be called socialist and admit what they are.

Courage, Truth, Honor, Fidelity, Discipline, Hospitality, Industriousness, Self-Reliance, Perseverance