In the period between world war i and world war ii. which group made the greatest gains in political rights?

Women would as many nations such as Britain saw how women in the world place was useful when they worked in the factories during the war. Other movements for women's rights gain ground in the United States, France and even slightly in Italy. Many of these changes would be long lasting in all nations but Italy because when Mussolini took power women reverted to their more traditional rolls.