Which of the following best reflects the holding in the case Baker v. Carr (1962)? 1) Declared that racial gerrymandering was a violation of the due process clause.
2) Created a one-person, one-vote standard for reviewing congressional districts.
3) Stated that the Tenth Amendment exclusively reserves the power to review congressional districts to the states.
4) Stated that the Seventeenth Amendment requires regular review of the constitutionality of congressional districts.