Answer:
Congress of Vienna (1815)
1.Restore Europe to its pre-revolution/Napoleon conditions.
2.Prevent future wars and revolutions in Europe.
3.Combat tide of rising nationalism and liberalism spreading throughout Europe.
It should be B I’m pretty sure
<span>7 October 1879 as part of </span>Bismarck<span>'s system of alliances to prevent or limit war </span><span>Austria Hungary and Germany joined the triple alliance in order to protect each other from the neighboring country Russia </span>
D) stock is available to all members of the public