Direct democracy or pure democracy is a form of democracy in which people decide on policy initiatives directly. This differs from the majority of currently established democracies, which are representative democracies.
Tiananmen Square
The fall of the Berlin Wall
Anti-Apartheid movement
A precedent is a previously made court decision that is used as a guideline for future cases. When an unfamiliar problem comes to court, the resulting decision may become a precedent for a similar future case.