(a) A constitution refers to a whole body of fundamental laws, customs, conventions, principles, rules and regulations according to which a particular country is governed.
(b) (i) A written constitution can be obtained and consulted as a single document
(ii) it enhances reference in cases of disputes
(iii) Both educated and laymen can reach it.
(iv) it removes uncertainty normally experienced with unwritten constitution.
(v) it can amended or changed by following appropriate procedures.
(vi) it makes it easy to ascertain unconstitutional act.
(vii) it makes it easy for citizens to know when their rights are violated
(viii) it clearly defines the power and functions of each organ of government.
(ix) it prevents the possible emergence of dictatorship.
(x) it ensues stability especially in pluralistic societies.
(xi) it acts as a tangible and symbolic value for the nation.