Was the East is red song a cause or effect

The East Is Red played from the Beijing Telegraph Building Because of its associations with the Cultural Revolution, the song was rarely heard after the rise of Deng Xiaoping in the late 1970s. Today in China the song is considered by some to be a somewhat unseemly reminder of the cult of personality associated with Mao.

Explanation:

answer; (a) he was a u.s senator for 38 years;