How did nationalism play an impact in the first World War

was through the assassination of Archduke Franz Ferdinand, who was the heir to the throne of the Austro-Hungarian Empire.

Explanation: Many oppressed Slavic groups in the Austro-Hungarian Empire wanted to form independent nation states.

the court ruled that a state law that banned abortions (except to save the life of the mother) was unconstitutional

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some american cities felt workers were being oppressed by business monopolies