Answer:
Provided places to fish and hunt. Also, because when the lands flooded it then became fertile.
Explanation:
Volunteer soldiers. In America, there are no enlisted men, only citizens willing to give up their lives for their country. But during a serious war, there can be soldiers being deployed against their will so that there are more soldiers to help during the war.
They were standard routes from one monastery to another. They were like routes for trading and travel.
