Complex sentence: As part of the Marshall Plan, the United States sent free tobacco to Germany; the amount of tobacco shipped into Germany in 1948 was 24,000 tons and was as high as 69,000 tons in 1949.
Split into simpler sentences: As part of the Marshall Plan, the United States sent tobacco free of cost to Germany. The amount of tobacco shipped into Germany in 1948 was 24 thousand tons and the figure was as high as 69 thousand tons in 1949.