Fertile land and food supplies would be the answer
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Answer: If you are talking about WWl then it was decisive because they had to stop the French from taking over
Explanation:
The correct answer is option A) "Frederick II took Silesia". In the Austro-Prussian War or Seven Weeks' War, the leader of Prussia King Frederick the Great resulted victorious over Austria. This changed the map of Europe because the kingdom of Prussia gained control of extensive new lands in Silesia, including highly industrialized and densely populated areas.