At the end of world war i, one reason the u. s. was able to become a world power was because

The US became the source of almost all new major inventions and technology after WWII. The US culture allowed the US to parlay this into a huge economic advantage. The US expended more on military than other nations. This allowed the US become the dominant military power in the world.

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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.