Based on the clue 'all 435 square miles of it lie between the adirond...', what is the answer?

Based on the clue 'all 3 of the kings with this name died violently', what is the answer? Based on the clue 'all 3 of the romanov czars named alexander reigned...', what is the answer? Based on the clue 'all 3 of these monster sisters had snaky hair not ...', what is the answer? Based on the clue 'all 3 seasons of this show with jason bateman tryi...', what is the answer? Based on the clue 'all 5 elements of the salt producing halogen group...', what is the answer? Based on the clue 'all 5 of rhode islands counties are on this bay', what is the answer? Based on the clue 'all 5 rhode island counties have shorelines on thi...', what is the answer? What is associated with: all 6 examples of his signature known to exist date from between 1612 1616?