Why was the secret ballot introduced in the 1920s?

A. to prevent recall votes from being cast

B. to allow voters to directly elect their US senators

C. to prevent voter bribery by local politicians

D. to allow women to vote in local elections

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years

i think it is true i hope this is