Wood is biodegradable.
certain plastics are biodegratable
“Locked away in the attic.” is most definitely a fragmented sentence. There is no subject given, so we don’t know what is locked away in the attic. The sentence does not make sense in that context, therefore it is a sentence fragment.
Answer:
The answer is the subject
Foreign attack was one great disadvantage to the Hanseatic Trade as they had their rivalry with Italian businesses and both were trying for supremacy and monopoly on sea route trade in the 13th Century.And because of foreign attacks,the Hanseatic League became very weak and disbanded. And then British and Dutch businesses took control of shipping in the region.