Complex sentence: In mid- 1947 the Wartime Assets Administration was eager to lease empty WWII surplus chemical munitions manufacturing buildings located at Huntsville Arsenal (now Redstone Arsenal) in Huntsville, Alabama and made Keller Motors an attractive lease deal they felt they could not refuse.
Split into simpler sentences: In mid- 1947 the Wartime Assets Administration was eager to lease empty WWII surplus chemical munitions manufacturing buildings located at Huntsville Arsenal (now Redstone Arsenal) in Huntsville, Alabama. They made Keller Motors an attractive lease deal they felt Keller could not refuse.