Based on the clue 'a white hollow celluloid ball 1 12 inches in diame...', what is the answer?

Based on the clue 'a white arrowhead with a black outline inside are ...', what is the answer? What is associated with: a white concrete steel structure spans the hull of this sunken battleship a national memorial… What is referred to by 'a white faced impersonator'? What is referred to by 'a white flowered shrub'? Based on the clue 'a white house mans involvement in the outing of th...', what is the answer? Based on the clue 'a white lining exposed by an angry agkistrodon pis...', what is the answer? Based on the clue 'a white marble museum commemorating queen victoria...', what is the answer? Based on the clue 'a white mark on a horses forehead or the ax mark m...', what is the answer?