Why does YHWH drive out the nations 'little by little,' and what happens when the covenant is broken?

The gradual-conquest command is stated with a rare doubled construction. Exodus 23:30 (MT): מְעַ֥ט מְעַ֛ט אֲגָרְשֶׁ֖נּוּ מִפָּנֶ֑יךָ עַ֚ד אֲשֶׁ֣ר תִּפְרֶ֔ה וְנָחַלְתָּ֖ אֶת הָאָֽרֶץ — "little by little (me'at me'at, H4592 doubled) I will drive him out from before you, until you are fruitful and inherit the land." The doubled H4592 form is the Torah's distributive construction for the gradual pace of the conquest, and it appears in exactly two verses in the entire canon: Exo 23:30 and Deu 7:22. No other verse uses it.

The ecological rationale. The reason the text gives is explicit and practical: "I will not drive him out before you in one year, lest the land become desolate and the wild animals multiply against you" (Exo 23:29, MT). Sudden, total depopulation of the land — before Israel has the demographic density to fill and farm it — would produce ecological collapse. The wild beasts that suppress in a populated landscape would multiply unchecked in an empty one. This is a land-stewardship rationale, not a limitation on YHWH's power. The Deuteronomic parallel restates it verbatim: "lest the wild animal multiply against you" (Deu 7:22b, MT, pen tirbe alekha chayat ha-sadeh — word-for-word from Exo 23:29). Deuteronomy 7:22, with the me'at me'at doublet and the ecological rationale, is preserved in five distinct pre-Christ scrolls (4Q32, 4Q33, 4Q40, 4Q45, and 5Q1), all agreeing with the MT.

The hornet and the conquest agents. Three advance forces precede Israel, all sent by the same verb H7971 שָׁלַח (shalach, "to send"): the Angel (Exo 23:20: shole'ach mal'akh), the terror — אֵימָתִ֖י אֲשַׁלַּ֣ח לְפָנֶ֑יךָ, "my terror (eimah, H0367) I will send before you" (23:27, MT; H0367 and H7971 co-occur in this one verse alone) — and the hornet: וְשָׁלַחְתִּ֥י אֶת הַצִּרְעָ֖ה לְפָנֶ֑יךָ, "I will send the hornet (tsir'ah, H6880) before you, and it will drive out (garesh, H1644) the Hivite, the Canaanite, and the Hittite" (23:28, MT). The hornet (H6880) is a complete pattern — it occurs in exactly three canonical verses: Exo 23:28, Deu 7:20 (preserved in three pre-Christ scrolls: 4Q40, 4Q45, 5Q1), and Jos 24:12. Joshua's retrospective summary is the explicit fulfillment: וָאֶשְׁלַ֤ח לִפְנֵיכֶם֙ אֶת הַצִּרְעָ֔ה וַתְּגָ֤רֶשׁ אוֹתָם֙ — "I sent the hornet before you and it drove them out (va-tegaresh, the same H1644 used four times in Exo 23:28-31)... not by your sword nor by your bow" (Jos 24:12, MT). YHWH claims the conquest as his own act, bypassing Israelite military power entirely. The text names the agent — tsir'ah, a hornet — and states its source (YHWH sends it) and its effect (it drives out). BDB's question mark ("hornets (? as wounding, prostrating)") concerns the word's etymology, not its referent: the LXX renders it sphēkias (hornets/wasps) and Wisdom of Solomon uses the cognate sphēkas in the same sense. What the text leaves open is the mechanism of the hornet's action — whether a literal stinging swarm, a divinely-sent terror-force, or some combination. But the text names it a hornet, and the three canonical verses consistently treat it as a real agent YHWH deploys in the conquest, not a metaphor for something else.

Wisdom of Solomon's expansion. Wisdom 12:8 (deuterocanonical) reads the LXX of Exo 23:28 directly: ἀπέστειλάς τε προδρόμους τοῦ στρατοπέδου σου σφῆκας ἵνα αὐτοὺς κατὰ βραχὺ ἐξολεθρεύσωσιν — "you sent wasps (sphēkas, cognate of LXX Exo 23:28 sphēkias) as forerunners of your army to destroy them little by little (kata brachu)." Then Wis 12:10 adds: κρίνων δὲ κατὰ βραχὺ ἐδίδους τόπον μετανοίας — "judging them little by little you gave a place of repentance." The Wisdom author reads the gradual conquest as divine forbearance — space for repentance offered to the Canaanites during the slow pace of displacement. This is Wisdom's theological expansion of the canonical rationale, not a substitute for it: Exo 23:29 gives the ecological reason; Wis 12 adds the mercy angle. Label: the canonical text does not state forbearance; it states ecological management. Wisdom of Solomon is a deuterocanonical historical witness (composed c. 100-50 BC) — valuable for what it shows about Second Temple theological interpretation of these verses, not as doctrinal authority equal to the canon.

The Judges 2 inversion. The conquest was conditional from the start: Exo 23:22 — "if you truly obey his voice... I will be an enemy to your enemies." The covenant was broken, and Judges 2:1-4 records the verdict. The mal'akh YHWH — the same category of Angel (mal'akh, H4397) who promised the conquest in 23:20 — delivers a covenant-lawsuit that inverts the four key terms of Exo 23 verbatim:

• Exo 23:21-22: שְׁמַ֥ע בְּקֹל֖וֹ — "obey his voice (H6963 qol)"; Jdg 2:2: לֹ֣א שְׁמַעְתֶּ֔ם בְּקֹלִ֑י — "you have not obeyed my voice."
• Exo 23:28-31: אֲגָרְשֶׁ֖נּוּ — "I will drive out (H1644 garash)"; Jdg 2:3: לֹ֥א אוֹסִ֛יף לְגָרֵ֥שׁ אוֹתָ֖ם — "I will no longer drive them out."
• Exo 23:32: לֹֽא תִכְרֹ֥ת לָהֶ֛ם בְּרִֽית — "make no covenant (H1285 berit) with them"; Jdg 2:1: לֹ֥א אָפֵ֛ר בְּרִיתִ֖י אִתְּכֶ֑ם — "I will not break my covenant with you" (the Angel affirms his own fidelity as he cites Israel's failure).
• Exo 23:33: כִּֽי יִהְיֶ֥ה לְךָ֖ לְמוֹקֵֽשׁ — "for it will be a snare (H4170 moqesh) to you"; Jdg 2:3: וְהָי֤וּ לָכֶם֙ לְמוֹקֵ֔שׁ — "they shall be a snare to you."

The warning of 23:33 becomes the verdict of 2:3 — the same word, the same phrasing, the conditional future turned into the judicial present. The Angel who warned "he will not bear your transgression" (23:21) now executes the consequence of the transgression that went unborne: the conquest is suspended and the snare is set. Exodus 23 stated the conditions; Judges 2 delivers the verdict. The conquest held in Exo 23:28-31 finds its high-water mark under Solomon ("Solomon ruled from the River to the land of the Philistines and to the border of Egypt," 1Ki 4:21, MT) and awaits its eschatological completion when the nations stream to YHWH at Zec 14:16.

The full study on Exodus 23:14-33 traces the complete hornet pattern across all three canon occurrences, the two-verse me'at me'at inventory, the Jdg 2 four-term inversion, and the Solomonic high-water mark of the territorial promise.