However, we must not forget that we also have the free will, the ability to choose in many areas, what we want to do with our lives, despite the circumstances or adversities that arise along the way.

Even without freewill, we can act toward a better position and try.

You will always have the opportunity to fight to change what is possible to change ...

Exactly. Impossible is nothing. There is no such thing as impossible as if it is impossible, it can never exist. However, change over time has proven time and time again that what is impossible today, might not be tomorrow.