President Herbert Hoover then ordered the army to clear the marchers' campsite. Army Chief of Staff General Douglas MacArthur commanded the infantry and cavalry supported by six tanks. The Bonus Army marchers with their wives and children were driven out, and their shelters and belongings burned.
Answer:
Explanation:
Irrigation.
Ex: To solve their problems, Mesopotamians used irrigation, a way of supplying water to an area of land. To irrigate their land, they dug out large storage basins to hold water supplies. Then they dug canals, human-made waterways, that connected these basins to a network of ditches.
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