The two reasons women were able to enjoy new freedoms in the 1920s were:
With more contraceptives being used, women were not giving birth as much which reduced their domestic burdens and allowed them to engage in other pursuits.
The Nineteenth Amendment made it the constitutional right of women to vote which meant that they had better say in the running of the country and allowed better laws to be passed for women.
In conclusion, options B and C are correct.
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