Numbers 20 presents a fascinating story, the story of the death of Miriam and the subsequent loss of water. Verse two: And the nation settled in Kadesh and Miriam died there and was buried there. Verse three: And there was no water for the nation.
The Levite tribe is set aside as a separate tribe in Israel, dedicated to worshipping G-d on behalf of the nation of Israel in the Temple and, therefore, prevented from owning land or receiving their own tribal territory.
Moses sends the leaders of the twelve tribes of Israel to check out the land of Israel, to investigate its people and evaluate their strength or weakness, to taste the fruits and crops and determine the fertility of the land.