Final answer:
Don Quixote's excitement is due to his belief in chivalry and his desire to dedicate his victories to Dulcinea. His perception of windmills as giants represents his determination to uphold his knightly values in a changing 17th-century Spain.
Step-by-step explanation:
Excitement of Don Quixote at the End of the Excerpt
The excitement of Don Quixote at the end of the excerpt from Man of La Mancha comes from his unwavering allegiance to his chivalric duties and his quest to protect the weak and uphold justice. Despite the windmills being inanimate objects, Quixote perceives them as formidable foes; to him, they are giants that he must vanquish in the name of his beloved lady, Dulcinea. This act of courage, though misguided, showcases his commitment to chivalry and the ideals he holds, which is part of what has made the tale enduring.
Don Quixote's world is shaped not just by his romantic delusions, but also by the real-world transitions occurring in 17th-century Spain. This exploration of one man's idealism clashing with shifting societal realities contributes to the rich cultural history of the novel, making it relevant across generations.