Final answer:
The Agricultural Extension Service was established by the Smith-Lever Act in 1914 to provide funding for agricultural extension services and educational programs. Its goal was to educate farmers about new farming methods and practices.
Step-by-step explanation:
The act passed in 1914 that established the Agricultural Extension Service was the Smith-Lever Act. This act was a federal law that provided funding for agricultural extension services in each state. These services aimed to educate farmers about new farming methods and practices, and to disseminate agricultural research and information to improve the productivity and sustainability of agriculture.