Why were Joshua & Caleb ready to march on Canaan, even though the other Israelites were filled with fear?

Forty years of wandering in the wilderness had brought Israel to stand upon a mountaintop overlooking the land of promise. Every Israelite over twenty years of age when they left Egypt under Moses’ leadership was now dead, except for three people: Moses, Joshua, and Caleb (see Numbers 14:38). All the others had died without realizing their cherished blessing. Why? What caused those Israelites who left Egypt by God’s power to lose their privilege of setting foot upon the promised land?

Learn more on: https://www.churchofjesuschrist.org/study/manual/old-testament-student-manual-genesis-2-samuel/joshua-1-24-the-entry-into-the-promised-land?lang=eng

Read the bible it's in Numbers 13-14 (Don't quote me)