Reference: Alliance
Easton
a treaty between nations, or between individuals, for their mutual advantage.
Abraham formed an alliance with some of the Canaanitish princes (Ge 14:13), also with Abimelech (Ge 21:22-32). Joshua and the elders of Israel entered into an alliance with the Gibeonites (Jos 9:3-27). When the Israelites entered Palestine they were forbidden to enter into alliances with the inhabitants of the country (Le 18:3-4; 20:22-23).
Solomon formed a league with Hiram (1Ki 5:12). This "brotherly covenant" is referred to 250 years afterwards (Am 1:9). He also appears to have entered into an alliance with Pharaoh (1Ki 10:28-29).
In the subsequent history of the kingdoms of Judah and Israel various alliances were formed between them and also with neighbouring nations at different times.
From patriarchal times a covenant of alliance was sealed by the blood of some sacrificial victim. The animal sacrificed was cut in two (except birds), and between these two parts the persons contracting the alliance passed (Ge 15:10). There are frequent allusions to this practice (Jer 34:18). Such alliances were called "covenants of salt" (Nu 18:19; 2Ch 13:5), salt being the symbol of perpetuity. A pillar was set up as a memorial of the alliance between Laban and Jacob (Ge 31:52). The Jews throughout their whole history attached great importance to fidelity to their engagements. Divine wrath fell upon the violators of them (Jos 9:18; 2Sa 21:1-2; Eze 17:16).
Hastings
In the patriarchal age alliances between the Chosen People and foreign nations were frequent. Many of the agreements between individuals recorded in Genesis implied, or really were, treaties between the tribes or clans represented (Ge 21:22 ff; Ge 31:44 ff.). 'During the period of the Judges confederations between the more or less isolated units of which the nation was composed were often made under the pressure of a common danger (Jg 4:10; 6:35). When Israel became consolidated under the monarchy, alliances with foreigners were of a more formal character, e.g. Solomon's treaty with Hiram (1Ki 5; 9). His marriage with Pharaoh's daughter probably had a political significance (1Ki 3:1; 9:16). The policy of alliance between Israel and Ph
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Morish
On the Israelites entering into Canaan they were forbidden to make any league with the people of the land, they were not to show them any mercy, nor to make any marriages with them, De 7:2-3; and later, when Joshua was about to die, he said to them, that with the nations that were still left they were to make no marriages, nor to go in unto them. If they did, God would drive out no more of the nations, and they would be snares and traps unto them, and scourges in their sides and thorns in their eyes. Jos 23:12-13. Joshua and the princes of Israel were, alas, deceived by the Gibeonites, and without seeking counsel of God they made a covenant with them. Jos 9:3-21. The failure of the Israelites in this particular (cf. Ezr 9:1; 10:1 ; Neh. 13.) is typical of the church making alliances with the world which have so sadly dimmed and destroyed the testimony which should have been borne by a heavenly people.