Southeast Asia was divided into colonies under European and US imperialism during the start of World War I, leading to political changes post-war.
The political state of Southeast Asia at the start of World War I was divided into several colonies under European and US imperialism. European powers like Britain, France, the Netherlands, and Spain controlled various territories in the region, impacting the local kingdoms and economies. The aftermath of World War I saw significant changes in the political map of East and Southeast Asia as countries gained independence.
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