Answer:
A. The civilization must make extraordinary achievements in areas such as art and science.
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The Earp brothers (Vergil, Wyatt, Morgan, James, and Warren) were a family of Western lawmen. Three of the brothers, Vergil, Wyatt, and Morgan, became well-known due to their involvement during the Gunfight at the OK Corral, which was considered the most famous shootout during the Wild West
President John F. Kennedy. Upon taking office, Johnson, also known as LBJ, launched an ambitious slate of progressive reforms aimed at creating a “Great Society” for all Americans. Many of the programs he championed—Medicare, Head Start, the Voting Rights Act and the Civil Rights Act—had a profound and lasting impact in health, education and civil rights. Despite his impressive achievements, however, Johnson’s legacy was marred by his failure to lead the nation out of the quagmire of the Vietnam War. He declined to run for a second term in office, and retired to his Texas ranch in January 1969.