3 You yourselves have seen everything the LORD your God has done to all these nations for your sake; it was the LORD your God who fought for you.

Read Joshua 23:3 Using Other Translations

And ye have seen all that the LORD your God hath done unto all these nations because of you; for the LORD your God is he that hath fought for you.
And you have seen all that the LORD your God has done to all these nations for your sake, for it is the LORD your God who has fought for you.
You have seen everything the LORD your God has done for you during my lifetime. The LORD your God has fought for you against your enemies.