Answer: The first free elections under the Sáenz Peña regime were held in 1916. Women did not have the right to vote in Argentina until 1947, when Law 13.010 ("on political rights for women") was sanctioned during the government of Juan Domingo Perón. Women first voted in a national election in 1951.
The Counting Principle states that the number of possible outcomes is equal to the product of the number of outcomes for each event. In this case, (M)(N)(O).