This chemical is known as "Agent Orange." Essentially, this was a powerful herbicide used by the US government used to destroy Vietnamese crops and any other forestry that was covering up their hideouts. This herbicide destroyed the Vietnamese environment. It was later found that this substance also had an adverse effect on the Vietnamese citizens. Millions of individuals developed health problems as a result of the US using this herbicide.
2 i believe I am not 100% sure
The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain.
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Ancient India was home to two of the world's first cities, Harappa and Mohenjo-Daro. These cities had stone buildings, multiply stories, and sewage systems! India was one of the very first civilizations to use algebra and calculus. The number zero was invented in Ancient India by a man named Aryabhatta.