Abolition is the act of formally repealing an existing practice through statutory legal means, either by making it illegal, or simply no longer allowing it to exist in any form.
Famous things that have been abolished include:
Things that are topics of debate over their possible abolition include:
A common and usually uncontroversial act of abolition is the abolition of electoral districts during redistricting.
slavery; see also: Abolitionism
the Soviet Union
alcohol; see also: prohibition
numerous monarchies
suffering
the death penalty
speciesism
abortion
firearms ownership and the Second Amendment to the United States Constitution
religion
Age of Consent