Answer:
Washington served as a general and commander-in-chief of the colonial armies during the American Revolution, and later became the first president of the United States, serving from 1789 to 1797. He died on December 14, 1799, in Mount Vernon, Virginia.
It reminded people that a nuclear war would be devastating for everyone.
Your answers correct. It's true
There were multiple causes for the Greek War of Independence. Nationalism was spreading and the Greeks wanted their own independent government. The Ottomans were suppressing the Greeks because they were the minority so the Greeks wanted a change. They also wanted Christianity.
A couple of weeks before the Battle of New Orleans, the U.S. and British governments had negotiated and signed a peace treaty that put an effective end to the war between the two countries. Given that news from Europe took about a month to reach the U.S., both the U.S. soldiers led by General Andrew Jackson and the Red Coats led by General Sir Edward Pakenham was a pointless confrontation. A few weeks after the resounding U.S. victory (only 13 men were killed on the U.S. side and 285 on the British side), Jackson and his men got news of the peace treaty signed before their feat of arms.