This is the 1121st most frequent Polish word.
powstać
"Powstać" means "to arise," "to emerge," "to be created," or "to stand up."
The word 'powstał' is used here to mean 'arose' or 'appeared' indicating the sudden emergence of an issue.
Problem powstał niespodziewanie.
The problem arose unexpectedly.
Here, 'powstało' means 'has been built' or 'has come into existence', describing the creation of a new structure.
W miejscu dawnej fabryki powstało nowe osiedle.
A new housing estate has been built on the site of the old factory.
In this context, 'powstał' signifies 'arose' or 'originated', referring to the emergence of a resistance movement.