Amajor advocate of the american system was
a. andrew jackson.
b. henry clay.
c. john tyler.
d. thomas jefferson.

Why did president lincoln place general mclellan under the command of general halleck? a. mcclellan failed to capture richmond. b. mcclellan was responsible for the north's defeat at the second battle of bull run. c. mcclellan failed to defeat lee at antietam creek.

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

What type of legislation has the member of congress introduced? a: a joint resolution b: a concurrent resolution c: a private bill d: a public bill