What does Deuteronomy 1:19 mean?

Then we left Horeb and traveled through that huge, dangerous desert you saw, heading toward the hill country of the Amorites, just as the Lord our God told us. We finally reached Kadesh Barnea. Deuteronomy 1:19 - Modern Text Bible

(Moses recalls the difficult journey through the wilderness, showing how they trusted God to lead them to the edge of the promised land.)