The extension of slavery into the western territories.
For a specific instance, see the landmark supreme court case Dred Scott v. Sandford.
In statistics, the term linear model is used in different ways according to the context. The most common occurrence is in connection with regression models and the term is often taken as synonymous with linear regression model. However, the term is also used in time series analysis with a different meaning.
In 1963, in Gideon v. Wainwright, the Supreme Court unanimously decided that states are required to provide counsel in criminal cases to represent defendants who can't afford to hire an attorney.
With the Renaissance, trade and exploration became prevalent. This caused many European nations to try and conquer lands that were then uncharted, leading to the displacement and enslavement of many indigenous populations.
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According to the American government's Climate Change Science Program, "With continued global warming, heat waves and heavy downpours are very likely to further increase in frequency and intensity. Substantial areas of North America are likely to have more frequent droughts of greater severity.