In a letter, the abbreviation "P.S." is short for what word?

In the 1949 film "Little Women," which actress played Amy, who marries Laurie after Jo rejects him? Which singer performed "Dare to Dream" with John Farnham at the opening ceremony of the 2000 Sydney Olympics? Which word, as an adjective, can describe a document drawn up in 1787 and, as a noun, means a healthy walk? As an adviser to Henry VIII, who was made Archbishop of York in 1514 and a cardinal in 1515? As an example to her Russian subjects, which empress had herself and her son Paul inoculated against smallpox in 1768? As an indoor alternative to other sports, James Naismith invented which game in 1891? As an old man in 1787, Benjamin Franklin became president of a society promoting the abolition of what? As an uncredited screenwriter, F. Scott Fitzgerald contributed to which 1939 Civil War epic?