Complex sentence: In 1901-1911, she studied in Japan, and became involved with the revolutionary republican movements among the Chinese students in Japan: she became a member of the i Tonghmenghu in 1905, and head of its assassination section in 1907.
Split into simpler sentences: In 1901-1911, she studied in Japan, and became involved with the revolutionary republican movements among the Chinese students there. She became a member of the Tonghmenghu in 1905, and head of its assassination section in 1907.