Which U.S. political party or ideology espouses the belief in the natural superiority of the straight, white, Christian, male?

Aryanism

The Democrats do by claiming everyone else needs help to compete against whites.

The Democrats do not see minorities as equal they believe that they need special consideration to be seen as or treated as equal.

They do not phrase it that way but their actions show it.

none of the mainstream political parties believe that

don't think any political party does that.

None. We straight white Christian males are superior.

Wonder why white liberals insist that blacks are so stupid that they cannot figure out how to get a free ID to vote with?

Which party doesn't have white guilt, anti Christian ideology, and calls heterosexual people cis gender?

None Just jackass people

None of them, I hope, though I'm sure you'll tell tell us one anyway.