Answer the following question: Tracy-Causer Block - The Tracy-Causer Block is an historic commercial building located at 505-509 Fore Street in the Portland Maine's Old Port. It was listed on the National Register of Historic Places in 1994.The building is located at Gorham's Corner an historic intersection. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Building