Complex sentence: By the following century, commercial interests had grown and its imports included wool, grain, wheat, woad, wax and iron, although the largest trade was in wine from Bayonne and Bordeaux.
Split into simpler sentences: By the following century, commercial interests had grown considerably. Common imports included wool, grain, wheat, woad, wax and iron, though the port's largest trade was in wine from Bayonne and Bordeaux.