Technological Innovations Practice Test

In the mid-twentieth century, the Green Revolution introduced high-yield crop varieties, synthetic fertilizers, pesticides, and expanded irrigation in parts of Asia and Latin America. Governments and international organizations promoted these technologies to increase grain production and reduce famine risk, though adoption often required capital and access to water. Which outcome most directly reflects the impact of these agricultural innovations?

In the fourteenth century, Korean and Chinese militaries used gunpowder weapons such as bombs, rockets, and early firearms, while Mongol and later states learned to deploy gunpowder in sieges. Over time, fortifications and battlefield tactics changed as rulers invested in new military technologies. Which outcome most directly resulted from the spread of gunpowder technology across Eurasia?