The Political Constituency that most wants borders closed are Black Americans. Illegal immigration takes entry-level jobs away from citizens. Blacks are more disproportionately more adversely affected by that. There are polls that show that a substantial number of Blacks actually want immigration to be stopped completely.
Black and Hispanic unemployment is at a record low.
Because they’re smart enough to not listen to the Democrats’ propaganda. This poll will leave them terrified come November.
Source:
https://www.wnd.com/2020/01/4795107/