Intercommunication no doubt takes place; men working together in quarry, brickfield or barrow-run, and out of earshot of their guardians, may and do converse at times.
The inland navigation system suffers from a want of uniformity in the size of locks, depth of water, width of channels and other arrangements, so that direct intercommunication between one canal and another is often impossible in consequence; moreover, although the canals, like railways, are owned by many separate bodies, hardly any provision has been made, as it has in the case of railways, for such facilities as the working of through traffic over various systems at an inclusive charge.
Trading intercommunication in the Levant and the constant passage to and fro of merchants brought Egypt to the front, and, in an age of archaic revival, the effort was made to re-establish the ancient supremacy over Palestine and Syria.
When conditions so changed that government could free itself from its dependence on the baron, feudalism disappeared as the organization of society; when a professional class arose to form the judiciary, when the increased circulation of money made regular taxation possible and enabled the government to buy military and other services, and when better means of intercommunication and the growth of common ideas made a wide centralization possible and likely to be permanent.
The Post Office thereupon instituted a separate system of exchanges and lines, intercommunication between the two systems being arranged.