It is the intent of the legislature by passage of the Economic Advancement District Act to authorize economic advancement districts to acquire, own, lease or sell projects for the purpose of promoting industry and trade, other than retail trade, for the enhancement of the economy of the area encompassed by the district and for the general economy of the state. It is the intent of the legislature that this be accomplished by the inducement of manufacturing, industrial and commercial enterprises to locate and expand in the district and in this state and by the promotion of agricultural products and natural resources of the district and the state.