It is because Ellis Island is where immigrants went back in the 1900s before they can reach the U.S
Answer:
B) Manifest destiny.
Explanation:
The Manifest Destiny is a concept, arduously followed in the 19th century, that sees it´s the right, the natural destiny of the United States to expand accross the continent until the shores of the Pacific. Such an outcome is God´s will, as geography, circumstances and history all favor the United States. It was a major drive of expansion for a good part of the century until it was fulfilled with victory in the Mexican-American War and the territories taken from Mexico.
All four were major players in a massive controversy that lasted at least 164 years about the nature of what we now call the solar system.