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Why did agriculture develop independently in different parts of the world?

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A row of cattle with brown and black coats eat feed from a long trough in a South African feedlot, separated by wooden fencing. — Feed Feedlot cattle eating grain in an intensive animal farm in South Africa.

Agriculture did not have a single point of origin; rather, it developed independently in various regions across the globe as human societies learned to domesticate local plants and animals to suit their specific environments. This transition, which occurred during the Holocene Epoch following the end of the last Ice Age, was driven by diverse cultural responses to changing ecosystems.123

While global climate change reorganized environments and created new resource opportunities, it was not the sole cause of agricultural development. Instead, early humans adopted farming as a way to increase the predictability and reliability of food supplies, often using domesticated species as insurance during lean seasons.142

In regions with favorable conditions—such as the Fertile Crescent, river valleys in China, and parts of the Americas—communities independently developed intensive agriculture and animal husbandry. These practices allowed for settled life and population growth, though the specific crops and animals domesticated were dictated by local availability, such as wheat and barley in the Middle East or corn and potatoes in the Americas.35