How does the rise of nationalism after the Napoleonic wars lead to WWI?

Capitalism competed with dominance in the twentieth century communism merchantilism free enterprise feudalism

How did the catholic church change as a result of the council of trent? a. catholic printers were encouraged to publish translations of the bible in common languages b. members of the catholic clergy were required to avoid luxurious lifestyles c. catholics were told they could earn salvation through god’s grace alone d. european catholics were barred from initiating any conflict with protestants.

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?