Based on the clue 'at the end of little caesar this actor cries mothe...', what is the answer?

Based on the clue 'at the end of i pagliacci this clown stabs his wif...', what is the answer? What is associated with: at the end of its almost 4000 mile run its hard to tell it began in glacier fed lakes in peru? Based on the clue 'at the end of its arm a hydraulic shovel has one o...', what is the answer? Based on the clue 'at the end of jules vernes the mysterious island t...', what is the answer? Based on the clue 'at the end of may emerson fittipaldi won this auto...', what is the answer? Based on the clue 'at the end of moby dick this narrator is rescued b...', what is the answer? Based on the clue 'at the end of moby dick this ship sinks ishmael i...', what is the answer? Based on the clue 'at the end of much ado about nothing benedick quie...', what is the answer?