Upon hearing the spies' fearful report concerning the conditions in Canaan, the Israelites refuse to take possession of it. God condemns them to death in the wilderness until a new generation can grow up and carry out the task. Furthermore, there were some that rebelled against Moses and for these acts, God destroys approximately 15,000 of them through various means.
The Israelites' refusal to enter Canaan due to the spies' report led to God's condemnation of them to death in the wilderness until a new generation could fulfill their mission. Some individuals who rebelled against Moses were punished by God with approximately 15,000 deaths through various means.