​That Women Could Vote in Wyoming in 1870, but Not

​That women could vote in Wyoming in 1870, but not nationwide until 1920, is reflective of

A) ​the national government imposing conflicting election laws on the states.
B) ​states admitted later to the union having more power over elections.
C) ​the willingness of states to violate national laws.
D) ​the writers of the Constitution allowing states to decide who can vote.
E) ​the national government imposing conflicting election laws on the states, and of states admitted later to the union having more power over elections.