Final answer:
The securing of the right to vote for women in 1920 led to expanded women's political influence, as they became more involved in politics and their votes began to shape policy decisions.
Step-by-step explanation:
One of the consequences of women securing the right to vote in 1920 was C) Expanded women's political influence. This significant historical event, represented by the Nineteenth Amendment, was a triumph for the women's suffrage movement that had been advocating for equal voting rights since the mid-19th century. Following the amendment, women's participation in politics began to grow, with politicians initially targeting issues thought to be of interest to women, such as education policy and disarmament. Over time, as it became evident that women did not vote uniformly as a bloc, the focus shifted, but the initial impact of women's suffrage was to greatly expand their ability to influence political outcomes.