Answer :
Final answer:
'Beatles For Sale' marks the beginning of Lennon's more introspective and complex songwriting period.
Explanation:
The album 'Beatles For Sale' is noted for the start of a significant period in John Lennon's songwriting career. With this album, Lennon began to explore more personal and introspective themes in his lyrics, a noticeable shift from the upbeat pop-oriented music the Beatles were known for. The structure of his songs also began to become more complex, demonstrating his growth as a songwriter. Several tracks on this album, such as 'I'm a Loser' and 'No Reply', are indicative of this new direction and are considered by many to be classic examples of Lennon's introspective songwriting style.
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