I need help with this please

Which factor has played the most important role in changing the way history is studied over time?

Which of these would have been a goal of the ku klux klan in the south during reconstruction? a) registering more potential rural voters b) making sure reconstruction went smoothly c) assisting the scalawags and carpetbaggers d) restoring southern democrats to political power

Martin luther started the protestant movement when he split from the church in 1517. what area of europe was he from?   a.  england  b.  italy  c.  yugoslavia  d.  germany