Based on the clue 'at least 3 12 miles of skyways link the downtown b...', what is the answer?

Based on the clue 'at le grand vefour les ravioles de this liver prep...', what is the answer? What is associated with: at least 10 architects worked on this church after pope julius ii decided to rebuild it in 150… Based on the clue 'at least 2 types of poison are known to be injecte...', what is the answer? What is associated with: at least 20 died many suffered decompression sickness building this east river landmark that o… Based on the clue 'at least 3 complete sets of this boston silversmit...', what is the answer? What is associated with: at least 57 people died as a result of this us volcanos may 18 1980 eruption? What is associated with: at least 62 wagons reenacted this religious groups 1847 trek from illinois to nebraska to utah? Based on the clue 'at least a dozen of this babylonian kings 282 laws...', what is the answer?