And Judah said to Simeon his brother, “Come up with me into the territory allotted to me, that we may fight against the Canaanites. And I likewise will go with you into the territory allotted to you.” So Simeon went with him.
Here, I. The children of Israel consult the oracle of God for direction which of all the tribes should first attempt to clear their country of the Canaanites, and to animate and encourage the rest. It was after the death of Joshua.
Commenting on Judges 1:1-8
And Judah said unto Simeon his brother,.... The men of the tribe of Judah said to those of the tribe of Simeon, they being not only brethren by father's and mother's side, which was not the case of all the sons of Jacob, but their possessions and inheritances lay near together; and indeed those of Simeon were within the inheritance of the tribe of Judah...
Judah said unto Simeon his brother, Come up with me . . ., that we may fight against the Canaanites--Being conterminous tribes (Jos 19:1-2), they had a common interest, and were naturally associated in this enterprise.