The need for the Egyptian suffering and it's resolution are a powerful lesson in the necessity of Jewish unity.

Shemot Rabba (Shemot) 1:28- Backstory to Moshe killing the Mitzri and two Jews fighting

Series of teachings of R' Yehoshua ben Levi and determination as to underlying motivation for leniency of villagers to read earlier

Ranking of mitzvos that take precedence when have opportunity to perform two of them (megilla, avoda, Torah, meis mitzva)

Sources for 15th fot walled cities and debate if walled from Yehoshua bin Nun/Achashveirosh, establishment of the "osios sofios" and Targumim

The "complaining" of Yaakov in his conversation with Pharaoh requires some sort of an explanation.

Can read Megilla from 11th-15th of Adar, hints in verses for the extra dates, various opinions if applies today

Backstory for the rebuke that Yaakov gave to his first three sons on his deathbed.

Did the brothers and Yosef ultimately resolves their underlying conflict or not?

Although the plan of Yosef had been to clarify the unity amongst the brothers, the storyline would not dictate this in certain terms.