(i) Foundational challenge takes place when the basic structure or foundation of the government changes.
(ii) It can be monarchy or military dictatorship changed into democracy.
(iii) In Nepal, king, Gynandra, who replaced democracy with autocracy was forced to leave the palace and accept democracy and political rights of the people, when the movement against autocracy took place.
(iv) This kind of transition may take many decades or centuries.
(v) These kind of challenges brings down the existing non-democratic regions and establish a sovereign and functional state.