The role of Imam Hassan Askari (AS) in preparing the Shiite community for the time of absence

The absence of Imam and impossibility of access to Imam for followers and preparation of Shia society for entering the period of Imam's absence are some of the main causes which necessitates founding some elements by Imams, mostly by Imam Hassan Askari. As much as we approach the time in which the direct connection between Imam and followers gets tougher, the circumstances for preparing Imams gets more difficult. The following  research answers a very important question: what was the role of Imam Hassan Askari in preparing Shia society for the absence period? The conclusion of explanation and historical analysis of narrative sources concerning Imam Hassan's activities and narrations affirms the author's hypothesis that Imam Hassan had a remarkable role in explaining the important matters about Imam Mahdi's Absence and preparing the followers before the arrival of absence period.