 Nakae Chōmin, who was a member of the mission staff and the Ministry of Justice, stayed in France to study the French legal system with the radical republican Émile Acollas.Later he became a journalist, thinker and translator and introduced French thinkers like Jean-Jacques Rousseau to Japan.As trade between the two countries developed, France became the first importer of Japanese silk, absorbing more than 50% of Japan's raw silk production between 1865 and 1885.