Six years later began the rapid expansion of Russia in Central Asia, and at the end xxiii.
The expansion of trade was due to the establishment of a boat route directly to the island.
Favoured by its proximity to two great waterways and by its two ports, Nisaea on the Saronic and Pegae on the Corinthian Gulf, Megara took a prominent part in the commercial expansion of Greece from the 8th century onwards, and for two hundred years enjoyed prosperity out of proportion to the slight resources of its narrow territory.
They are kept relatively high in those cases where the expansion of business which follows a reduction is small, and where such a change is therefore unprofitable.
Each of them, besides being a reversing gear, is an expansion gear both in forward and backward running.