អូឌីយ៉ូ​ដែល​បាន​ចែករំលែក

🎓 1900s History Lecture (AP Euro Style – Clear + Connected) Alright, today we’re walking through the major ideas, events, and conflicts of the 1900s, and how they all connect. --- ## 🌍 Part 1: Causes of Conflict Before WWI In the early 1900s, Europe was full of powerful ideas shaping how people thought: - Social Darwinism (influenced by Charles Darwin): People believed nations were in a “survival of the fittest” competition. Strong countries deserved to dominate weaker ones. This help