Based on the clue 'after a chemical spill at 3m patsy sherman helped ...', what is the answer?

Based on the clue 'after a bad night change the meaning of this commo...', what is the answer? What is associated with: after a bad performance of the play within a play in this 1896 chekhov work trepilov kills a b… Based on the clue 'after a bitter confirmation hearing this man took ...', what is the answer? What is associated with: after a breakdown around 1919 this russian born ballet dancer spent the rest of his life in ou… What is associated with: after a close bitter contest this illinois democrat lost her senate seat in 1998? Based on the clue 'after a construction boom fueled by oil gas money...', what is the answer? What is associated with: after a decades long battle to reclaim her throne this former queen died nov 11 1917 in honolu… What is associated with: after a defeat in 1835 for reelection to congress from tennessee this frontiersman moved to te…