Question

why are these four civilizations commonly known as bronze age civilizations​

Answer 1

Answer:

Prominent Bronze Age kingdoms included Sumer and Babylonia in Mesopotamia and Athens in Ancient Greece. The Bronze Age ended around 1200 B.C. when humans began to forge an even stronger metal: iron.

Answer 2

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An ancient civilization is defined to be in the Bronze Age either by producing bronze by smelting its own copper and alloying with tin, arsenic, or other metals, or by trading for bronze from production areas elsewhere.

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