Answer:
The correct answer is option c. "it would one day be the "breadbasket" of the united states".
Step-by-step explanation:
Stephen Harriman Long was a great army explorer and topographical engineer who covered thousands miles in exploration in what is known as the Great Plains area of the United States. The Great Plains area that Long covered became the "breadbasket" of the United States, a given name for being a large grain-growing region.