 He imposed tariffs on finished goods and earmarked the revenues to subsidize new industries.Bethlen squeezed the agricultural sector to increase cereal exports, which generated foreign currency to pay for imports critical to the industrial sector.Further compounding Hungary's problems was the fact that of its four neighbors, three (Czechoslovakia, Romania, and Yugoslavia) were enemies and kept troops stationed on their borders at all times, even though Hungary had an army of only 20,000 men.