If you are working on a research project in which you must present a short documentary film about the history of your family, the source that would be considered most credible for this project is hand-written letters from your great-great grandmother about her immigration.
You will get the most information from her letters.
Gray wolves disappeared from the Yellow Stone National Park, because when the National Park was built during the early 1800s, 1872 to be exact, Gray wolves were not protected by the park itself, there were no laws to protect these species, which is why hunters, who come across the park, hunts these gray wolves until their population decreased.
-Hope this helps
Hopefulness is the answer
