Final answer:
Farmers in the eastern Mediterranean domesticated the flax plant for linen production, a historically important textile known for its coolness and absorbency.
Step-by-step explanation:
Farmers around the eastern part of the Mediterranean domesticated the tall plant with blue flowers called flax. From the stem fibers of flax, people learned to make linen, a fabric known for its absorbency and ability to stay cooler in hot weather. Linen is historically significant as it is one of the oldest fabrics derived from plant fibers and has been a fundamental textile in various civilizations.