It was this society and culture that among other things - including economic opportunities here and repression in Europe - attracted subsequent generations of immigrants to this country. ↗
The other aspect of American identity worth focusing on is the concept of America as a nation of immigrants. That certainly is a partial truth. But it is often assumed to be the total truth. ↗
The West hasn't reached its universal state as yet, although its close to it, but it certainly has evolved out of its warring state phase, which it was in for a couple of centuries. ↗
Total falsehoods can be easily exposed for what they are by citing exceptions to their claims. Hence, they are less likely to be accepted as the total truth. ↗