To make a choice is important otherwise you could be staring face to face in the eyes of death. For example, if you stop making choice, you could starve. But making a choice is the exercise of will which subdues the reason and weakens you. So we enter a dilemma about the will. What to do?
The one idea is to let the life take the course the other could be the denial of will as is done by many ascetics. But both are equally dangerous because the future is unknown. The universe-block though is predetermined in the sense that when you are born, the death is already prefixed in spacetime extending far into future. But the content of the spacetime is missing that is what you provide in exercising the choice.
Still, there is room for free will in a predetermined universe which leads to a paradox which the science has discovered in the form of quantum physics. The electron takes all of the infinite paths, once all the paths are taken the life at macroscopic level comes to unfold as a particular outcome. How is it possible? From infinte paths we move to some happening in the reality!
So in order to make the effective decisions, you need the earth’s whole resources and compute them through intelligent machines and then proceed towards colonization of the universe. It is like running all the infinite paths of the electron at the macroscopic level. Thus determining the future before colonizing the galaxy is a must.