Who proposed the germ theory of disease

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

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

What form of government is powers of states?