Sentence examples for natural frontier from inspiring English sources

Napoleon thought the natural frontier was the Pacific Ocean.

This plateau has a natural frontier of mountains on all sides, except along the border with Portugal.

1. Palestine, about the size of Wales or the State of Vermont, is geographically an integral part of Syria, having no natural frontier on the north.

The morass along the German border had long been considered a natural frontier and so was left in its impassable condition until the second half of the 19th century.

Spīn Ghar Range, (Pashto: "White Mountains"), Dari: Safīd Kūh, mountain range forming a natural frontier between Pakistan and Afghanistan, extending westward for 100 miles (160 km) from the Vale of Peshāwar (Pakistan) to the Lowrah Valley (Afghanistan).

These two ranges are separated by a river bed that though is dry most of the year may act as a natural frontier between impalas' ranges.

The Rhine and Danube rivers were adopted from ad 9 as the natural frontiers of the Roman Empire.

During the Revolution's most radical phase, in 1793 94, French expansion had stopped more or less at the nation's self-proclaimed "natural frontiers"—the Rhine, Alps, and Pyrenees.

He was at his greatest in the campaigns for France's natural frontiers at the beginning and end of his career, but out of his depth in Napoleon's intricate strategy for the domination of Europe.

Austria was forced to sign the Treaty of Lunéville of February 1801, whereby France's right to the natural frontiers that Julius Caesar had given to Gaul namely, the Rhine, the Alps, and the Pyrenees was recognized.

Nations are urged, proponents of this viewpoint say, to obtain bases, strategic materials, buffer states, "natural" frontiers, control of communication lines for reasons of security, or to prevent other states from obtaining them.