Judah is to go up: I have given the land into his hands

Changing the orders of the Lord lead to incomplete victories

And the Lord said, Judah is to go up: see, I have given the land into his hands.
Judges 1:2

Jdg 1:3 Then Judah said to Simeon his brother, Come up with me into my heritage, so that we may make war against the Canaanites; and I will then go with you into your heritage. So Simeon went with him.

Jdg 1:19 And the Lord was with Judah; and he took the hill-country for his heritage; but he was unable to make the people of the valley go out, for they had war-carriages of iron.

Jdg 1:21 And the children of Judah did not make the Jebusites who were living in Jerusalem go out; the Jebusites are still living with the children of Benjamin in Jerusalem.