Final answer:
Samuel F.B. Morse is known for inventing the Morse Code and the single-wire telegraph system, thereby facilitating faster, more efficient communication and contributing to U.S economic growth in the antebellum period.
Step-by-step explanation:
Samuel F.B. Morse is most widely recognized for his invention of the Morse Code and the single-wire telegraph system. This invention significantly contributed to the market unification and economic growth of the U.S in the antebellum period. It quickened the pace and lowered the cost of business transactions by facilitating faster and more efficient communication across far distances. The improved speed and efficiency of communication played a crucial role in the expansion and integration of markets, making commerce and trade more cost-effective and thus propelling economic growth.
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