That's...Not a proper sentence.
Unless you are referring to why immigrants are called what they are.
Immigrants
The post-1880 newcomers who came to America are called the 'New Immigrants'. The immigrants came from the eastern and southern Europe.
Most of them got to the Americas from the land bridge known as Beiring Bridge. Asians were the oldest immigrants and are called as Native Indians. The European immigrants only started coming to Americas after the discovery of America by Columbus
It was the other way around: America got to these immigrants.
Immigrants helped invent many useful items in America.
English Immigrants traveled to America by sailing ships.
Immigrants chose to move to colonial America for better opportunities. Many other immigrants chose to move to America for religious freedom.
During the American Revolution, George Washington had security problems. The solution was to assemble a body guard unit of German only speaking immigrants. They were called Von Leer's Light Dragoons. My GGGGGrandfather was a member of this unit. It is an example of immigrants helping America.
European immigrants brought the celebration of Halloween to America.
When immigrants were leaving for America, they were happy and scared. Immigrants were scared because they left everything they knew and did not know what they were going to see in America. Immigrants were happy because they were going to a land of opportunity and a better life.
it took french immigrants forty (40) days to get to America by boat.
Refugees is the word. immigrants came to America