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Humans hunted animals, gathered food, and moved from one place to another. -
more advanced art and agricultural practices, changing religious beliefs, and more advanced systems of writing using alphabetic characters. -
when humans began to forge an even stronger metal -
The fall of the Western Roman Empire, the rise of Islam, and the creation of the new Holy Roman Empire in northern Europe. -
Transformed economies that had been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system. -
Wide expansion of capitalism, colonialism, democracy, and science-based rationalism.