Based on the clue 'a one act opera based on an episode in great expec...', what is the answer?

Based on the clue 'a nyumba ya posta its a place to send a barua', what is the answer? Based on the clue 'a object that disperses light into a spectrum crea...', what is the answer? Based on the clue 'a old westerner fixin to go on this didnt mean pla...', what is the answer? Based on the clue 'a once popular christening gift was a spoon with o...', what is the answer? Based on the clue 'a one followed by 100 zeros', what is the answer? Based on the clue 'a one person compartment with a telephone remove a...', what is the answer? What is associated with: a one time gag writer for red skelton he was reportedly the highest paid tv star at his peak i… Based on the clue 'a one time us attorney for dc hes now 7th in line', what is the answer?