Which option best explains why the British Invasion of the 1960s represents the spread of US culture?

The British Invasion of the 1960s, characterized by the popularity of British music and bands like The Beatles and The Rolling Stones in the United States, reflects the spread of US culture as it showcased the reciprocal influence of American rock and roll on British artists. These bands adopted and reinterpreted American musical styles, which in turn captivated American audiences, leading to a cultural exchange that reinforced the global dominance of US pop culture. The phenomenon also highlighted the integration of American media, fashion, and lifestyle trends, further solidifying US cultural influence during that era.