I’m adding these new resources to The Best Sites For Learning About Immigration In The United States:

America has always been hostile to immigrants is from The Washington Post.

A history of American anti-immigrant bias, starting with Benjamin Franklin’s hatred of the Germans is from Quartz.

We are a nation of immigrants and refugees. Yet we always fear who is coming next. is from Slate.
A Brief History of America’s ‘Love-Hate Relationship’ With Immigration is from The Atlantic.