Final answer:
The correct magazine proposed by Poe was the Broadway Journal.
Step-by-step explanation:
The correct answer to the question is option 3: Broadway Journal. After his wife Virginia died, Edgar Allan Poe spent his remaining two years traveling between cities, giving lectures, and seeking backers for his proposed magazine called the Broadway Journal. This magazine would have focused on literature, theater, and cultural commentary.
Learn more about Edgar Allan Poe's proposed magazine