What is referred to by 'a saguaro cactus'?

Based on the clue 'a sacrilegious act it may be done to a shrine', what is the answer? What is referred to by 'a safe place 5'? Based on the clue 'a safety exercise to quickly evacuate a building', what is the answer? Based on the clue 'a safety exercise to rehearse evacuating a buildin...', what is the answer? Based on the clue 'a sailing ship is featured in the logo for this me...', what is the answer? Based on the clue 'a sailing vessel with a single mast', what is the answer? What is referred to by 'a sailing vessel'? What is associated with: a sailor boy his dog bingo began appearing on packages of this snack way back in 1918?