River linkages are trade creating, working predominantly through the extensive margin. Substantial river borders, working predominantly through the intensive margin, are detrimental to trade.Economical. Hands down, the ocean shipping industry offers the most competitive freight costs to shippers, especially over long distances.Efficiency, Oversized, heavy and bulky cargo, capability, Safety, Environmental friendliness.
<span>Supposedly at Jamestown but there are lots of theories about Norsemen (Vikings) travelling there in the 9th and 10th centuries and establishing settlements in Nova Scotia
