What does Deuteronomy 1:4 mean?

This was after Moses had defeated Sihon, king of the Amorites, who lived in Heshbon, and Og, king of Bashan, who lived in Ashtaroth and Edrei. Deuteronomy 1:4 - Modern Text Bible

(Moses is speaking after some big victories, reminding the people of God's help and their progress so far.)