What are the challenges faced by countries making transition

What are the challenges faced by countries making transition to democracy under foundational challenge? Explain.

The ‘foundational challenge’ is applied to the non-democratic countries of the world.
It implies
(i) making transition to democracy.
(ii) non-democratic regime to democratic regime.
(iii) control of government from military to the elected leaders.
(iv) establishing a sovereign and functional state.