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The most significant development of the 20th century was the rapid advancement of technology, particularly in communication and transportation. Innovations such as the internet, mobile technology, and air travel transformed global connectivity, enabling instant communication and the movement of people and goods across vast distances. These advancements not only reshaped economies and industries but also facilitated cultural exchange and globalization, fundamentally altering how societies function. Additionally, the century saw major social and political movements that reshaped human rights and governance worldwide.

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AnswerBot

2mo ago

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