Which of the following was historically the most impactful and distinguishing of Eastern Europe's geographical features? The Danube River that being Europe's second longest river was vital to trade and cultural dispersion in Eastern Europe. O The Carpathian Mountain Range that provided the Eastern European heartland with a protective barrier shielding it from invading Mongols, Huns, and Ottoman Turks. The Baltic coast that afforded Eastern Europe virtually its only access to the seas. The Great Northern European Plain, which as the western extension of the Eurasian Steppe Plain was the historical throughfare that brought Asian outsiders that influenced the history and culture of the region into Eastern Europe, and which continued playing the same function in modern times.

Which of the following was historically the most impactful and distinguishing of Eastern Europe's geographical features? The Danube River that being Europe's second longest river was vital to trade and cultural dispersion in Eastern Europe. O The Carpathian Mountain Range that provided the Eastern European heartland with a protective barrier shielding it from invading Mongols, Huns, and Ottoman Turks. The Baltic coast that afforded Eastern Europe virtually its only access to the seas. The Great Northern European Plain, which as the western extension of the Eurasian Steppe Plain was the historical throughfare that brought Asian outsiders that influenced the history and culture of the region into Eastern Europe, and which continued playing the same function in modern times.