Ihate history i need is it a, b,c or d

Ineed to write an essay about harriet tubman

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.

Define the word imperialism. what is your opinion: should the u.s. engage in imperialism? under what circumstances? offer a brief, effective argument against the opinion that you hold.