Amos speaks during a period of relative strength for Israel and Judah in the eighth century BC, when regional powers and border nations competed for trade routes, territory, and security. Edom lay to the south and east of Judah, and conflicts between these groups were long-running. The charge of attacking “a brother” assumes a recognized kinship tradition between Israel/Judah and Edom (linked to Jacob and Esau in Israel’s memory), making Edom’s violence feel like betrayal, not just warfare. Teman and Bozrah point to identifiable Edomite locales, implying judgment that reaches key population and power centers.