Examlex
The star Proxima Centauri has a parallax of 0.77 arcsec (the largest parallax known) . How far is this star system from the Sun in light-years? (Careful with units!)
Economic Crisis
A situation where a country's economy experiences a sudden downturn brought on by a financial market crisis, leading to a decrease in consumer confidence and economic activities.
1970s
The decade from 1970 to 1979, characterized by significant cultural, political, and technological changes worldwide, including the end of the Vietnam War and the rise of environmentalism.
1930s
The 1930s was a decade marked by the Great Depression, a global economic downturn, and significant social, political, and cultural changes, leading up to World War II.
My Lai Massacre
A mass killing of unarmed South Vietnamese civilians by U.S. troops in 1968 during the Vietnam War, causing widespread outrage and increasing opposition to the war.
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