If you were writing a thesis paper about events that legitimized the united states as an international power, which of the following would be most effective to include?

us purchase of alaska from russia in 1867

us victory in the spanish-american war in 1898

discovery of gold in california in 1848

defeat of the sioux at wounded knee in 1890

Which statement describes the primary purpose of the european union? question 1 options: to protect european nations in the event of another world war to work together to strengthen europe and benefit all member nations to prevent alliances from forming between member nations to share resources and make economic trade easier between coal and steel companies