I would suggest the internet, there are tons of websites out there that contain tons of research regarding tourist sites in Alaska. However, since there are some unreliable sites out there, check out travel magazines and etc with a focus on Alaska that might help you!
Answer: The advanteges of preserving rituals or local communities could be that in the future those rituals can come in handy and probly stop world hunger
A good paragraph should contain at least the following four elements: Transition, Topic sentence, specific Evidence and analysis, and a Brief wrap-up sentence