In politics

Politics

Politics is a process by which groups of people make collective decisions. The term is generally applied to the art or science of running governmental or state affairs, including behavior within civil governments, but also applies to institutions, fields, and special interest groups such as the...

, unitarisation is a process of uniting a political entity

Entity

An entity is something that has a distinct, separate existence, although it need not be a material existence. In particular, abstractions and legal fictions are usually regarded as entities. In general, there is also no presumption that an entity is animate.An entity could be viewed as a set...

 which consists of smaller region

Region

Region is most commonly found as a term used in terrestrial and astrophysics sciences also an area, notably among the different sub-disciplines of geography, studied by regional geographers. Regions consist of subregions that contain clusters of like areas that are distinctive by their uniformity...

s, either by cancelling the regions completely or by transferring their power to the central government

Central government

A central government also known as a national government, union government and in federal states, the federal government, is the government at the level of the nation-state. The structure of central governments varies from institution to institution...

. Politics which favors this process is called unitarism. Opposite process is called regionalisation

Regionalisation

Regionalization is the tendency to form regions, or the process of doing so.Regionalization can be observed in various disciplines:*In geography, it has two ways: the process of delineating the Earth, its small areas or other units into regions and a state of such a delineation.*In globalization...

.

A unitary state usually has a unicameral

Unicameralism

In government, unicameralism is the practice of having one legislative or parliamentary chamber. Thus, a unicameral parliament or unicameral legislature is a legislature which consists of one chamber or house...

 legislature

Legislature

A legislature is a kind of deliberative assembly with the power to pass, amend, and repeal laws. The law created by a legislature is called legislation or statutory law. In addition to enacting laws, legislatures usually have exclusive authority to raise or lower taxes and adopt the budget and...

. Furthermore, the smaller regions within a unitary state do not have a contract (constitution) with the larger, more centralized government. Thus, the smaller regions government and powers are not "protected" by being entrenched in the constitution.
Regionalisation and unitarisation are often confused with, respectively, decentralization

Decentralization

__FORCETOC__Decentralization or decentralisation is the process of dispersing decision-making governance closer to the people and/or citizens. It includes the dispersal of administration or governance in sectors or areas like engineering, management science, political science, political economy,...

 and centralization

Centralization

Centralisation, or centralization , is the process by which the activities of an organisation, particularly those regarding planning and decision-making, become concentrated within a particular location and/or group....

.

In relation to modern-day organisations, like Bank One, the unitarist approach attempts to deter the input of trade unions in discussions as they are seen to not be part of the team and distract employees from the goals of the organisation.