Immigration has been a huge driving force behind creating America as we know it today. Without immigrants, or with far fewer immigrants, it would be impossible to imagine the United States developing into the world’s dominant economic powerhouse as it did. Opposition to immigration has been allowed to gradually place the American dream out of reach for so many ambitious individuals and deprive the country of further potential in the process.
Cosmopolitanism is the belief in universal human rights, regardless of time or place. That each of us is a citizen of the world first, country second. It also denotes a law and morality that transcends all, and must be applied to everyone equally. But cosmopolitanism is more than just a recognition of the universal rights of others.
A society can’t close itself off and remain free.