This document provides an overview of the key concepts and historical events students need to know for an exam on the 18th century. It defines important terms like the Modern Age, Old Regime, guilds, mercantilism, and physiocracy. Students are instructed to understand demographic trends, compare stratified societies, analyze graphs, and summarize reforms. They must also explain events like the War of Spanish Succession and key ideas from philosophers during the Age of Enlightenment like Voltaire, Locke, Rousseau, and Montesquieu. The document tests knowledge of politics, economics, and culture during this time period.