Which piece of evidence best challenges Sergio’s specific argument? Studying a foreign language improves knowledge of English and vocabulary.
International travel is easier when you know a foreign language.
Studying a foreign language decreases prejudice toward different people.
Foreign language study makes people appreciate cultural diversity.

O. Studying a foreign language decreases prejudice toward different people.

Explanation:

This is true about the statement and helps in the challenging of Sergio argument about foreign language study. Prejudice towards different people is as a result of different factors such as the environment, the different experience one had etc. Studying foreign language has no correlation towards decreasing it.

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