Wealthy merchant families, such as the Medici, paid artists and architects to create masterpieces.
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<span>The answer is market economy. A market economy is an economic scheme in which economic judgments and the valuing of goods and services are directed exclusively by the combined connections of a country's citizens and industries. There is petite government interference or central preparation.</span>
Antibiotic: Treats infections caused by bacteria
Antiseptic: Kills bacteria
Pasteurization: Makes food safer to eat
I hope this helps :)