All of the Following Statements Are True of Party Eras

All of the following statements are true of party eras EXCEPT this one:

A) The periods of stability that mark party eras have lasted around twenty-five to forty years.
B) Throughout American history, the balance of parties has usually resulted in different parties controlling the executive and legislative branches of the federal government.
C) Changes from one era to another are often marked by a critical election.
D) Realignments have been precipitated by major events such as the Civil War and the Great Depression.
E) The changes from one era to another are marked by a shift in party dominance called a realignment.