Unit 10: Global Conflict – History and Geography
The era from c. 1900 to the present stands as one of the most transformative and turbulent in human history. At the dawn of the 20th century, Europe (along with powers like the United States, Russia, and Japan) dominated the global political order through vast land-based and maritime empires. Yet this dominance was fragile and challenged by rising nationalism, revolutionary ideologies, economic rivalries, and technological advances that made warfare more destructive than ever before.














