Human: Difference between revisions

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=== Agriculture ===

During much of human history, people lived hunter-gatherer lifestyles. The invention of agriculture in 12,000 BCE allowed people to live in permanent settlements which became cities and civilizations. Food could be produced to meet ~~consumer~~ demand so Earth's population grew from 5 million in 8,000 BCE to over 7 billion in the 21st century CE.<ref>[https://genographic.nationalgeographic.com/development-of-agriculture/ The Development of Agriculture - National Geographic]

During much of human history, people lived hunter-gatherer lifestyles. The invention of agriculture in 12,000 BCE allowed people to live in permanent settlements which became cities and civilizations. Food could be produced to meet population demand so Earth's population grew from 5 million in 8,000 BCE peaking over 8 billion by the start of early space colonization 21st century CE before wars dramatically reduced the population.<ref>[https://genographic.nationalgeographic.com/development-of-agriculture/ The Development of Agriculture - National Geographic]

</ref> As agriculture secured people's primary needs for food, this allowed attention to be ~~focussed~~ on other things, like science, trade, technology, art and innovation.

</ref> As agriculture secured people's primary needs for food, this allowed attention to be focused on other things, like science, trade, technology, art and innovation.

=== Commerce ===

@@ Line 17: / Line 17: @@
 === Agriculture ===
-During much of human history, people lived hunter-gatherer lifestyles. The invention of agriculture in 12,000 BCE allowed people to live in permanent settlements which became cities and civilizations. Food could be produced to meet consumer demand so Earth's population grew from 5 million in 8,000 BCE to over 7 billion in the 21st century CE.<ref>[https://genographic.nationalgeographic.com/development-of-agriculture/ The Development of Agriculture - National Geographic]
+During much of human history, people lived hunter-gatherer lifestyles. The invention of agriculture in 12,000 BCE allowed people to live in permanent settlements which became cities and civilizations. Food could be produced to meet population demand so Earth's population grew from 5 million in 8,000 BCE peaking over 8 billion by the start of early space colonization 21st century CE before wars dramatically reduced the population.<ref>[https://genographic.nationalgeographic.com/development-of-agriculture/ The Development of Agriculture - National Geographic]
-</ref> As agriculture secured people's primary needs for food, this allowed attention to be focussed on other things, like science, trade, technology, art and innovation.
+</ref> As agriculture secured people's primary needs for food, this allowed attention to be focused on other things, like science, trade, technology, art and innovation.
 === Commerce ===

Human: Difference between revisions

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