Final answer:
European states engaged in long and bloody wars. A constitution is a plan for setting up a government and its rules. A free market system involves private individuals making economic decisions.
Step-by-step explanation:
1. The textbook section labeled 'Thinking about Encounters' explains that European states often engaged in long and bloody wars. The question asked in this section could be about the reasons behind these wars, the consequences, or the impact on European society and nations.
2. A constitution is a plan for setting up a government and rules for how the government interacts with its people.
3. A free market system is an economic system in which private individuals, not the government, make decisions about where to invest resources, how to produce goods, and what goods to buy.
4. The subject of this question is not indicated, as it is incomplete.
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