personally i think this essay is very well written and sincere. obviously your trip to south america has left a huge impression. i like the last sentence and the idiom "pad my resume" adds a good touch to the conclusion. you should leave it in.
When I was young
, I eagerly anticipated my family....
Oh and if you're applying to CALS, I think you might have the wrong prompt. Check the application again, I think it should be something like, "How have your interests and related experiences influenced your selection of major?" But even then, you should be able to adjust your essay accordingly to fit the new prompt.
Ibrahim Yucel