Read the paragraph about the vice president's residence from whitehouse. gov.(1) located on the grounds of the united states naval observatory (usno), the white 19th century house at number one observatory circle in northwestern washington, d. c., was built in 1893. (2) originally intended for the superintendent of the usno, the house was so lovely that in 1923, the chief of naval operations kicked out the superintendent so he could move in himself. (3) historically, vice presidents and their families lived in their own homes, but the cost of securing these private residences grew substantially over the years. (4) finally, in 1974, congress agreed to refurbish the house at the naval observatory as a home for the vice president. which sentence best answer the research question "why do vice presidents reside at the naval observatory? "