prior to the date of an election for Federal, State, or local office during which voters may cast ballots in such election, or prohibits the provision of food or non-alcoholic drink to persons waiting to vote in an election for Federal, State, or local office, except where the provision would violate prohibitions on expenditures to influence voting, if the location change, reduction in days or hours, or prohibition applies— (A) in one or more census tracts in which two or more language minority groups or racial groups each represent 20 percent or more of the voting-age population