Lethal injection gained popularity in the late 20th century as a form of execution intended to supplant other methods, notably electrocution, hanging, firing squad, gas chamber, and beheading, that were considered to be less humane. It is now the most common form of execution in the United States.
Confidence votes 48. Mount Everest is the highest mountain in the world when measured from sea level at 29,029 ft. However Mount Mckinley is taller than Everest when measured from base to summit at 18,400 ft, versus everest's 17,100 ft.
A gold prospector renamed the mountain McKinley in 1896, and the name was recognized by the federal government in 1917. In 1980, a national park that surrounds the peak was renamed Denali National Park and Preserve.