Answer:
McCormick's reaper could cut more wheat in a day than a half-dozen farmhands. The machine's speed increased crop yields, decreased the number of farmhands needed, and helped turn the Midwest into the nation's breadbasket region. Because farmers were able to harvest wheat so quickly, they began to plant more of it.
Explanation:
Best remembered for conquering the Aztec empire in 1521 and claiming Mexico for Spain. He also helped colonize Cuba and became a governor of New Spain.
Answer: While building the city Tenochtitlan on the islands of lake Texcoco, the Aztecs faced swampy lands with no foundations and soil that was bad for farming.
Explanation: Because the islands in lake texcoco did not have very solid ground, the Aztecs had trouble building their city. They overcame these challenges by building canals to reroute the water.
