may reserve the right to reexamine the submission if additional information comes to the Attorney General's attention during the remainder of the 60-day period which would otherwise require objection in accordance with this section. Any action under this section shall be heard and determined by a court of three judges in accordance with the provisions of section 2284 of title 28, United States Code, and any appeal shall lie to the Supreme Court. (2) Denying or abridging the right to vote Any covered practice described in subsection (b) that has the purpose of or will have the effect of diminishing the ability of any citizens of the United States on account of race, color, or membership in a language minority group, to elect their preferred candidates of choice denies or abridges the right to vote within the meaning of paragraph (1) of this subsection. (3) Purpose defined The term purpose in paragraphs (1) and (2) of this subsection shall include any discriminatory purpose. (4) Purpose of paragraph (2) The purpose of paragraph (2) of this subsection is to protect the ability of such citizens to elect their preferred candidates of choice. (d) Enforcement The Attorney General or any aggrieved citizen may file an action in a Federal district court to compel any State or political subdivision to satisfy the obligations set forth in this section. Such actions shall be heard and determined by a court of 3 judges under section 2284 of title 28, United States Code. In any such action, the court shall provide as a remedy that any voting qualification or prerequisite to voting, or standard, practice, or procedure with respect to voting, that is the subject of the action under this subsection be enjoined unless the court determines that— (1) the voting qualification or prerequisite to voting, or standard, practice, or procedure with respect to voting, is not a covered practice described in subsection (b)