Note the burning US Capitol, below left. The fulll quotation: The evil system of colonialism and imperialism arose and throve with the enslavement of negroes and the trade in negroes, and it will surely come to its end with the complete emancipation of the black people. Mao Tse-Tung.
The designer is not credited on this poster. We derive the attribution to Ha Qiongwen from the 2009 publication Ha Qiongwen (Shanghai: Shanghai renmin meishu chubanshe, 2009).