Under which president did Garret Hobart serve as Vice President?

Which president served from 1897 to 1901? In what year did William McKinley first take office as President? In which state was William McKinley born? Who was William McKinley's first Vice President? Under which president did Theodore Roosevelt serve as Vice President? Who was First Lady during William McKinley's presidency? Ida McKinley was married to which president? Which number president was Theodore Roosevelt?