Why did Moshe need to ask Yisrael (Shemos 11:2) to please borrow items from the Mitzrim?

Why was there a need to peruse the Egyptians' valuables during the Plague of Darkness (see Rashi to 10:22)? Hashem later gave Yisrael grace in the Egyptians' eyes, and they gave willingly (Shemos 11:3, 12:36)!

On what merit did we acquire all of the Egyptians' wealth, as we left Egypt?

According to the opinions that the items were borrowed; how could Bnei Yisrael borrow items and then fail to return them?

"Kara" literally means 'to tear apart.' On a conceptual level, why was the sea torn apart before the Bnei Yisrael?

How do the splitting of the sea, and our being led across on dry land, constitute two separate reasons to praise Hashem?

Why was it good for us to spend 40 years in the wilderness, as beneficiaries of Hashem's generosity, before entering the Land?

In whose merit did we receive the clouds, and the spring of water, which accompanied us in the wilderness?

In whose merit did we receive the Mahn?

How was the Mahn an indicator of a person's worthiness?

How did the Mahn adapt to each person's individual taste?

How would the Mahn test Bnei Yisrael, and enhance their trust in Hashem?

What was the import of the Mahn, with which Hashem fed the Bnei Yisrael in the wilderness?

See Tosafos to Shabbos 87b - The 10th of Nisan fell on Shabbos in the year of the Exodus. It is called Shabbos Ha'Gadol, due to the great miracle that happened that day; the Bnei Yisrael took in the sheep for slaughter as their Korban Pesach; and the Egyptians could not protest. Why is it significant that this took place on Shabbos?

Why is the Shabbos a stage in the process of our Redemption from Egypt? How does our observance of Shabbos remind us of the Exodus?

Har Sinai has five names; what are they, and what do they mean?

Why is the building of the Sanctuary (and ultimately the Beis Hamikdash) considered the final stage of the Redemption from Egypt?