Question:
Which political party did Jacques Piette belong to in Dec, 1933?

Context:
 Jacques Piette is a member of the Socialist Party from Jan, 1969 to Apr, 1990. 
 Jacques Piette is a member of the French Communist Party from Jan, 1932 to Jan, 1934. 
 Jacques Piette is a member of the French Section of the Workers' International from Jan, 1934 to Jan, 1969.

Answer:
French Communist Party