The objects, purposes, and duties of the extension system shall be to aid in diffusing among the people of both urban and rural Alabama useful and practical information on subjects relating to agriculture, forestry and natural resources, family and individual well-being, youth development, community and economic development, urban affairs, and other areas as needed. The extension system shall also aid in securing for expenditure in Alabama the full amounts of federal funds appropriated conditionally to Alabama by the Congress of the United States under an act approved May 8, 1914, and generally known as the Smith-Lever Act, for extension work in agriculture and home economics and other supplementary and related acts for extension work in agriculture and home economics.