Welcome to class! 

In today’s class, we will be talking about the constitution. Enjoy the class!


constitution |

A Constitution of a country is the whole body of fundamental laws or rules that guides a country. It can also be defined as a written or unwritten document containing the rules and regulations of a country.

The types of constitution include written constitution, unwritten constitution, flexible constitution, rigid constitution, unitary constitution etc.

Sources of a constitution

The sources of a constitution can be gotten from different ways which are:

  1. The acts of parliament; these are laws that are passed by members of the legislature (National Assembly) and State House of Assembly.
  2. Historian Documents; these are histories of man and the country which could be used as part of the constitution. Examples are The Bill of right or fundamental human rights of 1689, the politician rights of 1628 etc.
  3. Common Laws of the land; these are customs, conventions, norms, values, principles or traditions of the country.
  4. Written and commentaries of constitutional lawyers or scholars of note; an example is a rule of law by A.V. Dicey, separation of power by Baran Montesquieu etc.
  5. International agreements and treaties; these are agreements and treaties that are signed between and among nations of the world e.g. the UDHR agreement on human rights.


  1. What is a constitution?
  2. Mention the sources of a constitution.
Roles or importance of a constitution
  1. It brings law and orderliness into a country
  2. It safeguards the rights of a citizen
  3. It prevents dictatorship
  4. It spells out the duties and obligations of the citizens
  5. It also explains the limitations to the power of the different arms of government
  6. It gives room for effective governance
  7. It is used as a reference in the court of law
General evaluation
  1. State the sources of a constitution.
  2. Explain the importance of a constitution.
  3. What is human trafficking?
  4. State the causes of human trafficking.
  5. How can the problems of human trafficking be solved?

Reading assignment

Read on types of a constitution in Fundamentals of Civic Education for Senior Secondary School by Sola Akinyemi.


  1. State four sources of a constitution.
  2. Explain the unitary constitution.


In our next class, we will be talking about Federalism.  We hope you enjoyed the class.

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