1. Imam Ahmad ibn Hanbal (May Allah have mercy on him) was born in?

2. Which of Imam Ahmad ibn Hanbal's works is considered one of the most important collections of Hadith narrations?

3. Imam Ahmad ibn Hanbal (May Allah have mercy on him) was born at which place?

4. Imam Ahmad ibn Hanbal died in?

5. Which school of thought was founded by Imam Ahmad bin Hanbal?