Eurasia’s Iron Frame: Achievements, Problems and Prospects for Continental Connectivity
Historically, transport links have played the most important role in consolidating geopolitical spaces, nation states, and groups of states. The oldest examples of statehood arose along rivers, so rivers almost never served as natural boundaries. As humankind evolved, it enhanced the natural capabilities for interconnection between regions by building roads, and in the 19th century, rail, and then air services in the 20th century.