Hosea began ministering near the end of an era of great material prosperity and military success for both Israel and Judah (cf. 2 Kings 14:25-28; 2 Chron. 26:2, 6-15). In the first half of the eighth-century B.C. Assyrian influence in the West had declined temporarily allowing both Jeroboam II and Uzziah to flourish. However, under Tiglath-Pileser III (745-727 B.C) Assyria began to grow stronger and to expand westward again. In 734 B.C. the Northern Kingdom became a puppet nation within the Assyrian Empire (2 Kings 15:29). After Israel tried to revolt, Assyria defeated Samaria, the capital of the Northern Kingdom, in 722 B.C. and deported the people of Israel into captivity (2 Kings 17:1-6; 18:10-12). Judah also became a vassal state in the Assyrian Empire during Hosea's ministry (2 Kings 16:5-10).
Hosea's prophecy reflects conditions of economic prosperity, religious formalism and apostasy, and political stability that marked Jeroboam II's reign. The historical background of the Book of Amos is almost identical.