Illegal border crossings in the southwestern united states have led to the enactment of laws to try and stop the influx of immigrants. sometimes the legal language is written in a manner that signifies ""american-ness"" using veiled racial or other supposed markers to clearly identify those who are ""in"" and those who are ""out."" such demarcation is called

This dermacation is called ethnic boundary

Explanation:

We have categories that we use to define certain ethnic groups sometimes we do this based on characteristics of each group or their nationality or what other association we may have for that group or for our own groups.

Sometimes we use the language or the accent that each person has to say they are African or they are Mexican.

Sometimes its our customs that each group does while the other doesn't do .

what are the events?