> This is how the US has operated for centuries after all Actually, the US was extremely restrictive on immigration from the late 20s until 1965. For most of

> This is how the US has operated for centuries after all Actually, the US was extremely restrictive on immigration from the late 20s until 1965. For most of the "centuries", the US wasn't an attractive destination, so legal restrictions were irrelevant. As the US became attractive, it went through waves of immigration- peaks and valleys.