Yes,if they are allowed into the country(eg.passport)
They were not allowed to contact relatives already in America.
They were not allowed to talk to family already in America.
The United States of America does not allow unlimited immigration, there are various rules about who is allowed to enter the country as a resident, and other rules about who is allowed to enter as a visitor. So no, America is not ready to welcome anyone, although in general it does have a history of welcoming immigrants, and to a large degree (with the exception of Native Americans) it is a nation of immigrants and the descendants of immigrants. (In the case of African Americans, the immigration was not necessarily voluntary.)
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.
European immigrants brought the celebration of Halloween to America.
no
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.
He asked the Japanese government not to let their workers immigrate to America. (the Americans also had Angel Island, which is where Asian immigrants were detained for questioning before they were allowed into America)