I believe it's D. In America women can vote, but in Athens women could not participate in government
There is a role for the United Nations still as a Peacekeeper in today's world because they can't necessarily force a country to make or keep peace but they can go to a country with a smaller war going on and slowly make peace and as they progress with the small countries they can move onto the bigger countries to make peace.
The letter C-the United States would not allow European nations to form new colonies in the Americas