Discuss the major contribution of Leonard da Vinci?

1. Define the origins of Renaissance. Why did the Italian Renaissance produce such a strong spirit of Humanism? Discuss the major contribution Leonard da Vinci? How was the Northern Renaissance in Northern Europe different from the Italian Renaissance?
2. Discuss the importance of the Maritime Exploration prior to 1450 and after 1450. Who opened up the Window of Exploration and what technological innovations did the Europeans employ?

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