Answer:
The answer is the Northern antebellum economy.
Step-by-step explanation:
In the antebellum period in United States history, 92% of the industrial output of the United States originated in the Northern states where companies produced textiles, iron, and flour for example. The northern states also had the most efficient railroads and they were home to 71% of the population of the United States. They also favored a kind of protectionism in order to guarantee their businesses were free from unfair competition by instituting high tariffs on manufactured goods from other countries..