An example of data that a historian would use is

What was the effect of peace in europe after 1815

During the war of 1812, the united states tried to capture land that is part of which of the following countries? a. france b. spain c. canada d. mexico

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