Based on the clue 'at the end of a letter ps stands for postscript as...', what is the answer?

What is associated with: at the end of 1949s in the good old summertime liza minnelli made her screen debut as this wom… What is associated with: at the end of a 1719 novel this title character sells his brazilian plantation marries visits… Based on the clue 'at the end of a card or letter they mean hugs', what is the answer? Based on the clue 'at the end of a domain name nl would mean this cou...', what is the answer? Based on the clue 'at the end of a letter ps', what is the answer? Based on the clue 'at the end of a play by john millington synge the ...', what is the answer? Based on the clue 'at the end of a shaw play she runs off marries fr...', what is the answer? Based on the clue 'at the end of a show its cool to lean your guitar ...', what is the answer?