Is it a b c or d pleasrerr

Which of these events related to the protestant reformationoccurred first in 1521?

¿why was jackson opposed to the bank? a short answer*

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.