What was the big question being asked about new states in the mid-1800s?

What would lead a historian to consider two events to have a relationship of correlation rather than causation

How does the u. s. constitutional republic compare to authoritarian forms of government

How did the printing press make it difficult for the catholic church to stop the reformation? o a. priests were too busy printing and distributing bibles to oppose protestantism. o b. it created a growing middle class that was no longer interested in religion. o c. critics of the catholic church were able to quickly replace any hey writings the church destroyed. d. there were few printing presses in italy, where leadership of the catholic church was centered.