You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Near_East

Context:
A second strategic personality from American diplomatic and military circles, Alfred Thayer Mahan, concerned about the naval vulnerability of the trade routes in the Persian Gulf and Indian Ocean, commented in 1902:

Question:
When did Alfred Thayer Mahan comment on the trade routes?

1902