What do these characteristics have in common?

*Destruction of Chinese national treasures

*Execution of intellectuals and political leaders

*Persecution of unproductive farmers and workers

A.
They describe the actions of the Red Guards.

B.
They describe the Tianamen's Square massacre.

C.
They describe the goals of the Great Leap Forward.

D.
They decsribe the change in Chinese communism after the death of Mao Zedong.