Beethoven is primarily associated with which musical period?

Beethoven is primarily associated with the Romantic period because he significantly contributed to the evolution of music from the Classical style into what became known as Romanticism. His later works reflect the ideals and emotional expression characteristic of the Romantic era, such as individualism, intense personal expression, and expansion of the forms and structures used in composition. While his earlier compositions are rooted in Classical traditions, his later pieces showcase innovative approaches to harmony, form, and orchestration, which helped pave the way for future composers in the Romantic period. This blend of Classical influences with new, expressive elements is what predominantly categorizes his work within Romanticism, making it the most fitting association.