Whoever guesses my mom's name gets brainliest starts with E and ends with N :)

Can someone me with this plz? ! i'm putting 20 points on it!

At which boundary does subduction stop occurring, resulting in a mountain range?

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d