The countries which have benefited the most from technologies brought about in the Green Revolution are India and China. Hence, option A is true.
The Green Revolution refers to advances in agricultural practices that began in Mexico in the 1940s, and spread from there to other countries around the world in the 1950s and 1960s, The Green Revolution had a huge impact on developing agricultural economies, enabling significantly increased production per acre.
It is basically started to increase the crop production by using modern techniques like fertilizers and pesticides.
Learn more about the Green revolution here,
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