Do people react and change their way of life because of books, movies, tv, music, fashion, pop-culture, etc. Or is are they simply used as an expression of what is happening in life?

yeah it can change also and it cannot also

because some of them like drug addicts and prisoner read books etc to change

but some people like us watch tv etc for entertainment

explanation:

a trial judge has broad powers in his courtroom. the judge's decision is usually final for the duration of the trial, and the party's one special type of witness is an expert witness.

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.