AP World History Modern Unit 9 Part A: Technology and Globalization After 1900

This episode launches our Unit 9 review by exploring how transportation, communication, and military technologies after 1900 shrank distance and accelerated globalization. We break down the internal combustion engine, containerization, radio-to-internet advances, and the spread of nuclear weapons, showing exactly why the College Board ties each development to trade, culture, disease, and conflict.