The Gallatin Plan (1808) (a) was a plan by the U.S. Senate for a comp

The Gallatin Plan (1808)

(a) was a plan by the U.S. Senate for a comprehensive system of internal land and water transport
in the eastern part of the country to be built by the federal government.
(b) was promoted on the basis that only the federal government could command sufficient resources to build a transportation system.
(c) was partially implemented but not completed by the federal government because of concerns about the constitutionality of such federal action.
(d) was characterized by all of the above.

ANSWER

(d)