Sentence:  The underlying motives of <WSD>agriculturalism</WSD> are obscure in the extreme: the agricultural sector as a source both of soldier-fodder and of cannon-fodder no longer enjoys the military importance it had in an earlier age of primitive and labor-intensive military technology; farmers and farmworkers are a numerically insignificant component of the electorate in all industrially advanced countries; agricultural production is an expensive and inefficient way of keeping the countryside well manicured for the delectation of the weekending or vacationing urban dweller; and the typical methods of subsidizing domestic farm production are very doubtful -- and in Europe largely unknown -- value in terms of promoting social objectives such as reduced income inequality, especially in these days of the stockbroker0landlord and the industrially employed part-time farmer. Nevertheless, <WSD>agriculturalism</WSD> has acquired a tenacious hold on policymaking, especially in the Common Market, where the Common Agricultural Policy is regarded as the foundation of the community even though it is badly in disarray ... 
Meaning of the word marked with <WSD> tags:  Any ideology that promotes agriculture.