So Moses gave that land to the people of Gad, to the people of Reuben, and to half of Manasseh’s family group. (Manasseh was Joseph’s son.) That land included the kingdom of Sihon the Amorite and the kingdom of Og, king of Bashan. That land included all the cities around that area.
When you moved forward, the Lord forced out nations that were greater and more powerful than you. And the Lord led you into their land. He gave you their land to live in. And is still doing that today.