Social Sciences and History / Unit 2 SSH 0115 short lesson, about 20 seconds
From Isolation to Empire: 1898 and the Open Door
Captions available
The idea
Turner's frontier thesis and Mahan's sea power underpinned expansion; businesses wanted markets and missionaries wanted converts. The Spanish-American War of eighteen ninety-eight brought Guam, Puerto Rico and the Philippines, alongside Hawaii.
In practice
Hay's Open Door notes claiming equal access to China's markets.
Where people slip
The Anti-Imperialist League objected and was overruled by a public that read empire as prestige and progress.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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