Which Supreme Court case ended the long-standing patterns of gerrymandering?

Wesberry v. Sanders is the correct answer because it directly addressed the issue of congressional districting and emphasized the principle of "one person, one vote." In this landmark case decided in 1964, the Supreme Court ruled that congressional districts must be roughly equal in population. This ruling aimed to ensure that every individual's vote carries the same weight in elections, thereby significantly impacting the practice of gerrymandering, where district boundaries are manipulated to favor a particular political party or group.

The decision in Wesberry v. Sanders brought a legal framework to challenge and reduce the effects of gerrymandering by requiring equitable representation in congressional districts. This meant that states had to draw their district lines in a way that reflected population equality, helping to curtail extreme partisan manipulation of electoral boundaries.

Other cases mentioned do not specifically tackle the issue of gerrymandering related to congressional representation. Baker v. Carr established the principle of judicial intervention in redistricting but did not directly address population equality within districts. Brown v. Board of Education focused on racial segregation in schools, while Roe v. Wade dealt with the right to privacy regarding reproductive choices. Thus, while all these cases are significant in their own right, Wesberry v. Sanders is the one that