A bicameral legislature features "two legislative bodies" (from "bi" meaning two). This is the standard arrangement for legislatures in the west, such as in the US and Great Britain.
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In a nutshell, the Korean War was a result of the Cold War. After WWII, the Japanese lost control of the Korean Peninsula which eventually was divided up between the US and the USSR. The line that divided the peninsula was named the “38th parallel.” The line that separated North Korea from South Korea.
The Oregon Treaty, negotiated between Great Britain and the United States, settled peacefully the question of where British Canada ended and the US-controlled Oregon Territory began.
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