He used lots (Numbers ch.26).
Joshua. Moses was supposed to, but the people balked because a lack of faith. After Moses death, Joshua led the people into the promised land. Read more in the book of Joshua.
Joshua was commissioned to lead God's people into Canaan after the death of Moses. God instructed Joshua to be strong and courageous, promising to be with him just as He was with Moses. Joshua successfully led the Israelites across the Jordan River and into the Promised Land.
The Israelites brought their Torah wherever they went, including into Canaan (under Joshua), which they renamed the Land of Israel.
God promised it to Abraham (Genesis ch.15 and elsewhere), and instructed Joshua to conquer it (Joshua ch.1), which he did.
As the Israelites left Egypt on their exodus, Joshua was one of the twelve spies sent by Moses to reconnoiter the land of Canaan. Joshua and Caleb were the only two who had confidence that God would give Israel the land of Canaan despite its formidable inhabitants. Because of their faith God allowed Joshua and Caleb to enter the promised land, but he vowed that the others of Joshua's generation would die in the wilderness. God instructed Moses to designate Joshua as his successor. Joshua led the Israelites into the promised land. The book of Joshua recounts his victories at Jericho, Ai, and other places.
God promised it to Abraham (Genesis ch.15 and elsewhere), and instructed Joshua to conquer it (Joshua ch.1), which he did.
The promised land of the Israelites was Canaan, the land that God had promised to Abraham and his descendants. The Israelites returned to the promised land after being led by Moses through the Exodus, where they wandered in the desert for 40 years before finally entering Canaan under the leadership of Joshua.
Here the two people only from Egypt to see the promised land were Joshua and Moses. Please kindly note Even though Moses was not allowed to set his foot in the promised land of Canaan , he was shown the land by God from a far distance.
The book of Yehoshua (Joshua), which speaks of the conquest of the land of Canaan by the Jewish people.
When Joshua brought the Jews into the Holy land (3284 years ago), its name changed from Canaan to Israel.
Canaan (Israel) is the land that God promised to Abraham (Genesis ch.17), to Isaac (Genesis ch.26), to Jacob (Genesis ch.28), and to Jacob's descendants the Israelites (Exodus ch.6). The promise was fulfilled when Joshua led the Israelites into Canaan (Joshua ch.3-4) and they inherited it.
The book you are referring to is the Bible, specifically the Book of Numbers in the Old Testament. Caleb, Joshua, and other leaders were sent to spy on the land of Canaan, which was promised to the Israelites by God.