The Vietnamese version of it was spearheaded by the editor of Giai Pham Mua Xuan, Phan Khoi.  The better-known version featured a symposium at which an engineer complained about 600,000 plows which were unusable in damp soil.  It was inspired by a speech "On the Correct Handling of Contradictions Among the People," though its leader later modified that speech and proclaimed that the intelligentsia had gone too far, sparking the Anti-Rightist campaign.  With a name taken 
The Vietnamese version of it was spearheaded by the editor of Giai Pham Mua Xuan, Phan Khoi.  The better-known version featured a symposium at which an engineer complained about 600,000 plows which were unusable in damp soil.  It was inspired by a speech "On the Correct Handling of Contradictions Among the People," though its leader later modified that speech and proclaimed that the intelligentsia had gone too far, sparking the Anti-Rightist campaign.  With a name taken from a slogan which includes a phrase about letting "schools of thought contend," FTP, name this campaign which granted non-Party members freedom of speech and the right to criticize Mao's government in 1956.
The Vietnamese version of it was spearheaded by the editor of Giai Pham Mua Xuan, Phan Khoi.  
Hundred Flowers Campaign (accept the Double Hundred Campaign)