Answer:
Talmadge used the Agriculture Department's newsletter
Explanation:
During his leadership as Commissioner of Agriculture, Talmadge often sent off a collection of newsletter to the farmers in his district. The title of those newsletter was the Market Bulletin
Through this bulletins, Eugene Talmadge often shared his political opinion to the farmers, mostly regarding on which representatives should the farmers vote for them to gain the most benefit. On top of that Talmadge also often shared list of knowledge that the farmers can use to improve the quality of their harvest.