Answer:
Columbia Basin.
Explanation:
In the early 1900s, the federal government began an irrigation project in the Columbia River Basin.
This was propelled by the increasing population and thus a high demand for food; fruits and vegetables.
It is a true statement that cotton boom linked the northern manufacturing with the southern plantation economy.
<h3>What caused the link between the economy?</h3>
Because the Northern mills needed cotton for textile manufacturing, the southern plantations was able to supply them the cotton.
Hence, it is a true statement that cotton boom linked the northern manufacturing with the southern plantation economy.
Read more about the southern plantation
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