Which was an important result of the thirty years' war?

The Westphalia treaty ended religous wars in Europe by recognizing Europe as a group of equal, independant states,

This is considered one of the most important results of the Thirty Years' War.

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.

america