I've been close to grizzlies and polar bears and they are both awesome. But only the polar bear has to kill to eat and it is the top of the food chain, with the possible exception of an Orca when the bear is swimming. One day in Resolute a whale washed up on shore and that attracted the polar bears. The whole town came out to see them and all the inuit came alive to go out and look at them. They hold a very deep spirtitual connection up there for these folks. They are seriously protected and back then there was a quota of 2 for the season at a value of $10k each, usually awarded to german tourists. Magnificent animals, and the hides are huge. Two campers shot and killed one that got into their tent and were forced to go back and get the hide because that was part of the quota. It cost them $10k even in self defence.
Everyone in his right mind in bear country should have a gun. I often didn't, but then again i said you have to be in your right mind...
I think the chances of surviving an encounter with an angry Polar bear or grizzly are pretty slim. A grizzly can break the back of a moose with one swipe, and your chance against an angry moose is also next to zero, unless you get this guy:
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