There have been many changes that have occurred within the British constitution and political system as a result of British membership of the European Union.  Here we will look at some of the most important and influential changes.  While some are obvious, there are other, less clear, changes that have occurred as a result of the changing political face of Europe.  We have to first look at what defines the British constitution, then discover what has changed.

A constitution is a basic set of rules and laws that establish the legitimate power held by various institutions in a country and what they are, and are not, allowed to do.

The British constitution is not a single codified document, but rather a largely unwritten one made up of many different components.  These include; Acts of Parliament, which are also known as ‘statute law’ (that is, written, legal laws), common law, also known as traditional law.  These are when earlier decisions have set "precedents," which are used in future cases of a similar nature.  Treaties, various agreements signed between 2 or more countries, judicial reviews, where a court reviews the actions of an official person or body to see if their actions have been legal, and royal prerogative which is the (technical) right of the monarch to make decisions affecting parliament, though this is rarely used, except in largely ceremonial matters.  It is mainly used by ministers on behalf of the monarch.

The 2 main basic principles involved in the British constitution are the ideas of ‘The Rule of Law’ and ‘Parliamentary sovereignty’.

The premise behind the ‘rule of law’ is that it is basic legal rules that effect a persons rights, they cannot be changed or removed by someone in authority just because they want to, everyone has the right to freedom from punishment, unless they have been found guilty of breaking the law and finally, everyone is equal before the law.  Social position or power does not make a person ‘above the law’.

Traditionally, the British political system was run on a basis of Parliamentary Sovereignty, which is the basis for all representative democracies in the western world. This means that, in theory, Parliament is the highest authority in the land with no constraints on their power and that it has the power to make or repeal any law.  There is no higher authority.  It also means that if parliament decides to change, create and remove any law it can do so, it does not have to abide by decisions made by previous parliaments, though its successors will have that same power. (The new British Politics)

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However, over the years, parliamentary sovereignty has been slowly reduced in Britain due to many things including the signing of various treaties.  Over the years there has been great change in Europe.  This started after the Second World War, when there was great devastation throughout most of Europe with some countries effectively in ruins.

This led to the creation of many treaties and alliances.  The Treaty of Dunkirk was one of the first, with several countries signing in an attempt to begin working together to help restore Europe to economic security.  This was followed by the ‘Treaty of Paris’ ...

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