Why the United States is known as a nation of immigrants?

as a country whose population, the Americans, is predominantly made up of non-Native American peoples who settled the country following the European colonization of Americas and the establishment of the Thirteen Colonies.

i think the correct answer is:

byzantine icon- served as religious symbols in christian churches and were valued and respected for their beauty

illuminated manuscript-preserved classical greek and roman knowledge and were the first bound books

chamberlains goal was to stop the uk ad germany from fighting which he went to hitler and asked if he could sign a peace treaty between germany and the uk