A couple of links to very helpful information for those who have never given much consideration to how the US/Mexico border represents and enforces American Imperialism and settler colonialism. For most Americans, there is a lot still to learn; these are good starting places.
Fear drives the loss of both our personal and our social power. Fear separates us from our own thinking which stagnates. Fear clouds our evolving presence in the
In case you don’t have it in you to read the book–which I highly recommend as something you SHOULD read–here is a very nice overview.