The Einstein–Szilárd letter was a letter<span> written by </span>Leó Szilárd<span> and signed by </span>Albert Einstein<span> that was sent to the </span>United States President Franklin D. Roosevelt<span> on August 2, 1939. Written by Szilárd in consultation with fellow </span>Hungarian<span> physicists </span>Edward Teller<span> and </span>Eugene Wigner<span>, the letter warned that Germany might develop </span>atomic bombs<span> and suggested that the United States should start its own nuclear program. It prompted action by Roosevelt, which eventually resulted in the </span>Manhattan Project<span>developing the first atomic bombs.</span>
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The Castro was one of the first gay neighborhoods in the United States. Having transformed from a working-class neighborhood through the 1960s and 1970s, the Castro remains one of the most prominent symbols of lesbian, gay, bisexual, and transgender (LGBT) activism and events in the world
The September 11 of the year 2001- terrorist attack uncovered imperfections in the way the U.S. knowledge group worked. The assault was a progression of four composed fear based oppressor assaults by the Islamic psychological militant gathering al-Qaeda in the United States on the morning of Tuesday, September 11, 2001. The assaults executed 2,996 individuals, harmed more than 6,000 others, and caused in any event $10 billion in framework and property harm.
Factory workers worked until night and so did farmworkers.
they where transported on slave ships.