Based on the clue 'a 4 leafed one of these has been lucky for heidi k...', what is the answer?

What is associated with: a 381 day long bus boycott began in this city december 1 1955? Based on the clue 'a 4 to 5 inch needle is used in this procedure th...', what is the answer? Based on the clue 'a 4 dimensional continuum space', what is the answer? What is associated with: a 4 door automobile with a hard top population 21000? Based on the clue 'a 4 legged one may be a vixen a 2 legged one may b...', what is the answer? Based on the clue 'a 4 letter us state remember the category', what is the answer? Based on the clue 'a 4 room apartment at the bramford becomes availab...', what is the answer? Based on the clue 'a 4 star general secretary of state meigs', what is the answer?