United states (US): Ethnicity only has one value Hispanic and Latino and no additional values

Is the following expected for Ethnicity for US? Is it possible for it to be in a drop down like with the rest of the countries?

From the implementation guide it says:

If a job requisition is posted in any United States location and if its Diversity block is configured to display the single field Ethnicity, candidates will see two ethnicity-related questions. First a check box asks if the candidate considers themselves to be Hispanic or Latino, and then another set of five check boxes invites them to select the race or races that they identify with. This method of displaying the Ethnicity field is consistent with the employee self-service page that they will see if and when they reach the end of the recruiting process successfully. After this candidate is hired,