I had moved into an environment surpassingly different than the one I came from and it was my first time that I faced something so drastic had happenedchallenging .
It was my mother's decision, a decision my father did not entirely approve of.
.... I wish if you slightly mention about this desicion because it has not really conveyed in your earlier sentence too.
It was my mother's decison that my father vehemently disapproved. (I guess it is better to highlight the rift between the two)
In addition to coping with an array of challenges and learning to accustom myself to the language, culture and customs of a strange land, I now had to confront to the rising tension in my family. In that time I had realized a few things.
Have a continuation from the previous idea. Tell how the disagreement of your parents put you in a more difficult situation. Then how you took up those challenges. How you acted to bring in peace between them.