1)
What was the purpose of the Negidim?
1.
'Rashi': It was to guard the cities 1 and walled cities.
1
The verse mentions only fortified cities! (PF)
2)
Why did he put storehouses of food and oil in the fortified cities?
1.
'Rashi': There will be food available for people [elsewhere] if Malchus Yisrael will besiege Yehudah and people will flee to the fortified cities.
2.
Malbim: It was to withstand days of siege.
