Under which president did Adlai Stevenson I serve as Vice President?

Who served as Vice President under Benjamin Harrison? Under which president did Levi P. Morton serve as Vice President? Who was First Lady during Benjamin Harrison's presidency? Caroline Harrison was married to which president? Which number president was William McKinley? Who succeeded William McKinley as President of the United States? Which political party did President William McKinley belong to? Which president served from 1897 to 1901?