It is obvious the Islamic nation that follows Muhammad (P)...
It is obvious the Islamic nation that follows Muhammad (P) during the time of the Infallible Imam (even if the Imam is jailed or exiled) can know its obligations even with a great difficulty through the path of the Infallible Imam (as)'." But the talk is about the time period of the great ghaiba (occultation) of the Imam of the Time, may Allah hasten his reappearance.
There can be no more than three assumptions in this time: The first assumption is the idling of the Book, the rulings and the theological laws. The second assumption is to keep these rulings standing on their own, that is, they themselves become the means for self-sustenance. The third assumption is that these rulings need a manager, a ruler and someone who explains them who is the waliyy al-amr or the mujtahid who is qualified for this leadership.
As regarding the first assumption, it is false for reasons, rational and textual evidences, due to the Islamic creed, which is easy to practice, being the last and will remain dominant till the Resurrection Day. As for the second assumption, it, too, is false because the law cannot be carried out and safeguarded except by one person or persons.
So, we have to accept the third assumption and say that waliyy al-amr is the one who must safeguard the Islamic community in all its affairs and dimensions. On the other hand, the Islamic community needs several institutions such as the army, education and culture, justice courts, etc.
The hand of the juristic waliyy , therefore, has to remain spread out in all moral and financial affairs and the faqih remains explaining and clarifying the rulings of the Shari’a, a guide for people and one who solves their problems.
We conclude from this that the juristic waliyy must enjoy all the affairs of the Infallible Imam (as) save being the Imam himself so he may be able to implement the legislative code of Islam; otherwise, in the case there are no official governmental institutions, the enemies of Islam will not invite him to implement the codes with ease and convenience.
We can also use evidence from the posterity and say that no society, nor any state, can endure when chaos and anarchy prevail; therefore, there has to be a law and a government. It is obvious the government of apostasy and oppression in the Islamic community will eradicate the Islamic creed, and this violates our first assumption in which we said the Islamic creed must endure till Judgment Day via rational and cited evidences.