..It was customary for men in the family to remain on Simon’s homestead, Finch’s Landing, and make their living from cotton. The place was self-sufficient: modest in comparison with the empires around it, the Landing nevertheless produced everything required to sustain life except ice, wheat flour, and articles of clothing, supplied by river-boats from Mobile. Using context clues, determine the meaning of the word "self-sufficient", and explain how you arrived at that definition. Be sure to write in complete sentences, directly referencing the excerpt above.