Sept. 18 (UPI) --The adoption of the ox-drawn plows, not the advent of agriculture, triggered an accelerating increase in inequality among Eurasian societies beginning around 4000 B.C. "Ox-drawn plows ...
A lack of fuel, in large part due to the US blockade, is forcing Cubans to return to horse and ox power for farming, transport and everyday travel. In Los Palacios, 100 kilometers (60 miles) of the ...
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