Cheondoism weakened by government suppression, but from the effort of second leader Si Hyung Choi. it recovered and in 1870, the number of believers extended for thousands. In 1880s, congregation was expanded to the entire Korean peninsula, and in 1890s, the religion led social movement of semi-feudalism and anti-foreign influence and this became Donghak Movement. In 1910s, it stirred up a revolution for liberation of the oppressed nation from Japanese imperialist rule.