What does the first map reveal about the boundaries between Europe nations in 1715?

The boundaries between the continents of Earth are generally a matter of geographical convention. Several slightly different conventions are in use.

Explanation:

Few things that the first map reveal about the boundaries between the Europe nations in 1715 are subjected to definition: The boundary between Europe and Asia along the Turkish Straits, the Caucasus, and the Urals and the Ural River. The between Asia and Africa which is dividing Afro-Eurasia into the Africa and Eurasia which is at the Isthmus of Suez .Line between North America and South America which is dividing the America at some point on the Isthmus of Panama, with the demarcation in atlases and also in other sources following the Darién Mountains watershed.The remaining boundaries are about the of islands and archipelagos with specific continents on the map.The boundary which is between the Europe and Asia is unusual among continental boundaries due to its mountain-and-river-based characteristics of north and east of the Black Sea.