The correct answer is 1) bring about democratic reforms.
In 1989, the goal of the protest movement staged by Chinese students in Tiananmen Square was to bring about democratic reforms.
The Tiananmen Square demonstrations were part of the transitions moments in the history of Chine when young people took the streets in downtown Beijing on June and 4, 1989, to protest and demand reformations in the government. On the 4th of June, tanks threatened the students and soldiers shoot many of them who were killed. Many others were arrested.