Based on the clue 'a 6 mile wide caldera or volcanic crater is a high...', what is the answer?

What is associated with: a 6 day fast by this man in 1932 changed the way the untouchables in india were treated? Based on the clue 'a 6 foot tall blue jay named mordecai rigby the r...', what is the answer? Based on the clue 'a 6 foot wide 6 foot deep ditch in front of your h...', what is the answer? Based on the clue 'a 6 letter waitress who brings burgers to your veh...', what is the answer? Based on the clue 'a 6 story steel column in this texas panhandle cit...', what is the answer? Based on the clue 'a 6 string guitar has 2 strings tuned to this note...', what is the answer? What is associated with: a 6 time best actress nominee for such films as the king and i she received a honorary oscar i… Based on the clue 'a 6 time emmy winner the race', what is the answer?