Which Supreme Court Decisions Require That Different Electoral Districts Represent

Which Supreme Court decisions require that different electoral districts represent similarly sized populations? What was an immediate result of these rulings?

A) Baker v. Carr and Gibbons v. Ogden: rural regions had a dramatic increase in their representation in state legislatures
B) United States v. Lopez and Wesberry v. Sanders: gerrymandering became a common and contentious partisan debate
C) Baker v. Carr and Wesberry v. Sanders: cities had a dramatic increase in their representation in state legislatures
D) Wesberry v. Sanders and Gibbons v. Ogden: gerrymandering became a common and contentious partisan debate
E) United States v. Lopez and Gibbons v. Ogden: cities had a dramatic increase in their representation in state legislatures