What happened at the battle of poitiers aka battle of tours?

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.

Which statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty

Discuss the main ideas of eugenics, and explain why it is no longer a prominent belief in the united states.