an invisible hand
Jacobins such as Maximilien de Robespierre argued that France's king and queen needed to be executed to protect political changes; i.e. to avoid a return to absolute monarchy.
Apex: To protect the political changes made during the French Revolution
Technology developed during the Industrial Revolution allowed for the mass production of goods such as textiles.
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Copernicus created the mathematical theory to prove that the Sun, not the Earth, was the centre of our solar system. Galilei provided the calculations and observations to prove Copernicus' theory.