What was not an aspect of U.S. economic expansion during the 1800's?

One aspect that was not a significant part of U.S. economic expansion during the 1800s was the widespread use of digital technology, as this era was characterized by the absence of computers and the internet. Instead, economic growth relied heavily on agriculture, industrialization, and infrastructure development, such as the construction of railroads and canals. Additionally, while there was a focus on domestic markets, international trade was not as dominant a factor in economic expansion until later in the century.