re: #1 Anymouse
It’s Already Happened Here (Goes to an article by Sara Kendzior at The Baffler)
More at the link:
1855 wasn’t the last time either. The Chinese Exclusion Act was passed in 1882. In the 1920s, there were reforms that established hard immigration quotas based on the number of foreign nationals living in the US. Immigration is one of those issues where what we do in practice doesn’t always line up with our ideals.