Rational decision making is a multi-step process for making choices between alternatives. The process of rational decision making favors logic, objectivity, and analysis over subjectivity and insight. The word “rational” in this context does not mean sane or clear-headed as it does in the colloquial sense.
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France was the country that sold the United States the Louisiana territory, so they could have just said "no you can't have our land."
The british government passed the navigation acts to restrict colonial trade, and no they weren’t