The voices of the wilderness such as fear, unbelief, complacency, confusion, etc. could often try to steer us back into bondage.
Just because the children of Israel (Joshua 3-6) crossed into their Promised Land didn't mean that they didn't have obstacles once there.
In this video Ceitci shares the story about Jericho and the instructions God gave to the children of Israel in order to conquer the city. She also gives a personal example of her life under socialism and how they lived as Christians under persecution.