Complex sentence: By the 14th century commercial interests had grown considerably: common imports included wool, grain, wheat, woad, wax and iron; however the port's largest trade was in wine from Bayonne and Bordeaux.
Split into simpler sentences: By the 14th century commercial interests had grown considerably. Common imports included wool, grain, wheat, woad, wax and iron, however the port's largest trade was in wine from Bayonne and Bordeaux.