Question

Describe 2 events in human history and in what way the events allowed human
populations to grow and thrive.

Answers

bobpursley
again, google is your bff.
Ms. Sue
Which three events have you chosen?
I wonder if pre-history is allowed. (domestication of dogs, cattle, horses, sheep, chickens .....)
wheel? copper, bronze, iron, lead, oars, sails ? my oh my, no end of stuff :)

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