1001 Space Earth Nature History First Civilisations Ancient Egypt Biblical Times Ancient Greece Ancient Rome Chinese, Japanese Civilisations Indian Civilisation African Civilisation The Early Americas The Rise of Islam The Middle Ages The Renaissance Civil War and Revolution The Industrial Revolution Two World Wars 20th-century Achievements Human World Science and Technology	Why did the Aztecs make human sacrifices? The Aztecs believed that the world would end unless their gods were given human blood. They usually sacrificed people they had taken captive in war. Offerings to the rain god included human sacrifice.   Previous: Back Book: 1001 Section: History Chapter: The Early Americas