Generate an outline for an essay about the history of basketball
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I. Introduction 
A. Definition of Basketball and Its Origins 
B. Development of the Game Over Its History 

II. Early Evolution of Basketball
A. Breakdown of the Early Rules Used 
B. Overview of the Inventor of Basketball and His Formation of the Game 

III. Increased Popularity and Impact of Basketball 
A. Expansion and Growth of the Sport 
B. Social and Cultural Impact of Basketball 

IV. Modern Development of Basketball 
A. Popularization of Professional Leagues 
B. Changes in the Rules and Playing Style of Basketball 

V. Conclusion 
A. Reflection on the Impact of Basketball 
B. Necessity and Putpose of Basketball Today
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