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Created page with 'File:lighterstill.jpgright|frame ==Etymology== Latin, I forbid, from vetare to forbid *Date: [http://www.wikipedia.org/wiki/17th_Century 1629...'
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==Etymology==
[[Latin]], I forbid, from vetare to forbid
*Date: [http://www.wikipedia.org/wiki/17th_Century 1629]
==Definitions==
*1 : an [[authoritative]] prohibition : interdiction
*2 a : a [[power]] of one department or branch of a [[government]] to forbid or prohibit finally or provisionally the carrying out of [[projects]] attempted by another department; especially : a [[power]] vested in a [[chief executive]] to prevent [[permanent]]ly or temporarily the enactment of measures passed by a [[legislature]] b (1) : the [[exercise]] of such [[authority]] (2) : a [[message]] [[communicating]] the reasons of an [[executive]] and especially the president of the United States for vetoing a proposed [[law]].
==Description==
A veto, Latin for "I forbid", is the [[power]] of an officer of the state to stop unilaterally a piece of [[legislation]]. In [[practice]], the '''veto''' can be [[absolute]] (as in the U.N. Security Council, whose members can block any resolution) or [[limited]] (as in the legislative process of the United States, where a two-thirds [[vote]] in both the House and Senate may override a Presidential veto of legislation).

A veto gives [[power]], possibly unlimited, to stop [[changes]], but not to adopt them. The [[influence]] that the veto conveys to its holder is therefore directly [[proportional]] to the holder's [[conservatism]], broadly defined. The more the holder of a veto supports the [[status quo]], the more useful the veto.

The [[concept]] of a veto [[body]] originated with the [[Roman]] [http://en.wikipedia.org/wiki/Roman_consul consuls] and [http://en.wikipedia.org/wiki/Tribune tribunes]. Either of the two consuls holding office in a given year could block a military or civil [[decision]] by the other; any tribune had the [[power]] to unilaterally block [[legislation]] passed by the [http://en.wikipedia.org/wiki/Roman_Senate Roman Senate].[http://en.wikipedia.org/wiki/Veto]

[[Category: Political Science]]