yes
boats
Because in older times trade was done via boats therefore the bigger trade cities had to be near rivers so the boats could come up the rivers from the sea.
Water. Along with fish, swimmers, boats.
Rivers provided water - for agriculture and drinking. Boats on the rivers also provided a means of communication.
killing small children
They paddled their oars.
they use boats in the rivers and goats in the roads
Add the rivers velocity to the boats velocity
Rivers provide drinking water, fish to eat, easy transportation in boats, water for crops.
by using boats to go up and down rivers
I believe you are talking about a canal.
Karfi were, quiet literally long boats. they were the chief viking raiding vessel, and allowed them to sail quickly and up rivers