Final answer:
American transportation projects from 1800-1860 were funded by a mix of public and private sources, including government funding and investments from companies and individuals.
Explanation:
American investment in transportation projects (1800-1860) was funded by a combination of public and private sources. In the US, railroad development played a crucial role in the economy and was financed through stocks, bonds, and government funding. Various entities, including government agencies, firms, and individuals, were involved in funding transportation infrastructure projects.
Learn more about Transportation funding sources in 19th century America here:
https://brainly.com/question/39394143
