Copyright law is a restriction of other people to illegal use and distribution of any of a creator’s work without his/her consent. Its main purpose is to give an exclusive right to a creator to protect its work from infringement for the benefit of ownership.
Rivers often act as really effective and accessible trade routes, so the historian could use this map to analyse trade routes between Early River Valley Civilizations.
Hope this helps :))
They probably felt inconvenienced by it, seeing as they already had to send their sons and husbands to war. This was just another thing they had to put up with that made life difficult