Why did the CONGRESS OF VIENNA give PEACE FOR A HUNDRED YEARS?

Question

my teacher had to ask us this question and ive been researching but i cant find the answer. anyone knows why.? :( thanks :)

Answer 1

because there were no continental wars in 99 years from congress of vienna(1815) to the start of WWI (1914)

Answer 2

This is from Wikipedia, so take it with a grain of salt....

http://en.wikipedia.org/wiki/Congress_of...

In particular, see the last section "Later criticism".