Answer - A - The Green Revolution refers to the introduction of hybrid crops to promote the development of agriculture.
Key Takeaway: The Green Revolution refers to the transformation of agriculture that began in 1945 to create hybrid crops that could outperform traditional heirloom varieties to feed rapidly growing populations. The projects within the Green Revolution spread technologies that had already existed in industrialized nations like irrigation advances, nitrogen fertilizer (made artificially), genetically-modified products, and pesticides to less-industrialized countries.