Which information can be determined using half life

What was the importance of the open door policy?

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.

Based on a comparison of the myths “the maori: genealogies and origins in new zealand” and “the raven and the first men: the beginnings of the haida,” if the maori and the haida people decided to create a myth together, what would most likely be the value expressed?