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The end of American Revolution
The American was gaining the freedom from the Britain to become independent. (https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwiZltH-k4LcAhUmFzQIHdC9AFsQjB16BAgBEAM&url=https%3A%2F%2Fwww.britannica.com%2Fevent%2FAmerican-Revolution&psig=AOvVaw3MfHEvC8oVKUKb3kAJbAXD&ust=1530680667657735) -
Monroe Doctrine
In 1823, the president Monroe issued this doctrine to warn Europe Power staying out of the North and South America. -
Open Door Policy
The policy allow for a system of trade in China open to all countries equally in late 19th century to the early 20th century. (https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwiPpujqk4LcAhVCM30KHXq6ACIQjB16BAgBEAM&url=https%3A%2F%2Fnewsela.com%2Fread%2Flib-open-door-policy&psig=AOvVaw0JUsZ8peiMlcyi6t8x_9N5&ust=1530680624812914) -
Good Neighbor Policy
In the 1930s, President Franklin Roosevelt pursued this policy to reduce US millitary and political involvement. -
The Cold War
It is the conflict between two super power, the United State and the Soviet Union. (https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjAjcrzlYLcAhUKKHwKHQK1BtAQjB16BAgBEAM&url=https%3A%2F%2Fwww.vox.com%2Fworld%2F2018%2F3%2F1%2F17045888%2Fputin-russia-cold-war-trump&psig=AOvVaw33kdikgVH0uZH3bhKD0Jk9&ust=1530681173364212) -
The Korean War
The US support the South Korea. -
The Vietnam War
The US fight the North Vietnamese and the communists. -
Afghanistan
After the 2001 attacks, the US force toppled the Tailban regime in Afghanistan. (https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjOqJq9lILcAhWhxlQKHUp_C10QjB16BAgBEAM&url=https%3A%2F%2Fwww.cbsnews.com%2Fnews%2Fthe-war-in-afghanistan-a-timeline%2F&psig=AOvVaw0OFuWCiBoyQNVDLQ8vC3wK&ust=1530680797130972) -
Iraq War
The Iraq War was a protracted armed conflict that began in 2003. (https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwijkqjRk4LcAhW4ITQIHbMfCycQjB16BAgBEAM&url=http%3A%2F%2Fworld.time.com%2F2011%2F12%2F16%2Ften-grim-lessons-learned-from-the-iraq-war%2F&psig=AOvVaw0I2nWuvx0EkXE0ROVXthoh&ust=1530680572489837) -
Ukraine
The US provides military aid to Ukraine. They have a bilateral relations. (https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwj_m8rPloLcAhUQBHwKHT_4DlAQjB16BAgBEAM&url=https%3A%2F%2Fsputniknews.com%2Feurope%2F201706251054956061-us-ukraine-arms%2F&psig=AOvVaw0DvSiblruCLo8UPYebzEyQ&ust=1530681360635453)
