1)
Why did Hashem punish Pharaoh with the plagues of hail and locusts, which destroyed the crops?
1.
Oznayim la'Torah: Because of the work that they forced Bnei Yisrael to do in the fields. 1
1
Oznayim la'Torah: In fact, the Torah inserts the word "Sadeh" seven times - five times in connection with Barad, and twice in connection with Arbeh; this corresponds to the seven tasks that one performs in the field - plowing, digging, sowing, weeding, reaping, threshing and winnowing.